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Answer is 5

I think there's no ambiguity at all. Anyone who doesn't know how to simplify this expression needs to watch more of your videos.

These comments are always full of people who only ever knew PEMDAS vs those who continued on to study algebra and learned implied multiplication / multiplication by juxtaposition.

Whats the point of memorizing the quadratic formula if im just gonna work at McDonald's the rest of my life anyway.

If I can't read it out and do it in the order it's written, you're doing it wrong.

Please excuse my dear aunt sally people!! Come on yall gotta remember that rude woman 😂 Btw answer is 125 2+3= 5 100/4= 25 25x5= 125 😊

It's not an order of operation problem... it's a WRITING CONVENTION problem!! When a number is written in front of the parentheses without any mathematical sign in between, for 90% of the world it simply means IMPLIED MULTIPLICATION!!!

100÷4(2+3)= 100÷4×5= 25×5= 125🇪🇷

Yeah but the answer 5 is still correct. The method you said was wrong, was in fact wrong, but if you just distribute the 4 according to the distributive rules, it would give you 100÷(8+12), which is still 5.

Love it you explain it very nicely!

However what?

Are you saying it's 100/4(2+3) or 100(2+3)/4?? If its second one u r right. 100(2)/4 + 100(3)/4, but u should have written correctly.. but if it's first one 100/4(2+3), u r wrong. Then it will be 100/20. btw it's not a(b+c), it's like a÷b(c+d), u cannot take 100÷4 as single character 'a',.. by your way i can take a÷b(c) .

Cool down guys . I am Chinese . It’s 125

125

125, but 125 what?

Bidmas... (2+3)=5 100÷4=25 25x5=125

I think the order is BODMAS Brackets,of, division, multiplication, addition and subtraction

You did the correct process for to find the solution, and thanks to your explanation I now realized that in my home country we write down math differently because we never use the ➗ symbol, we instead write the 100 with a line under it, the 4 beneath it, and next to the both of them we write the (2+3). Showing that the equation is read 100 divided by 4 times (2+3)

Cool... (It doesn't matter that I'm in 11th grade, don't think about it 😅)

What is this yappington dc 100:4 (2+3) 100:4 (6) Here someppl do 4 times 6 whihc is 24 then do devision But sense devision and multiplication hold the same value in terms of who guys riestwe do left to right7u So 100:4 is 25 times 6 which is 125

This video was highly needed. As an engineering student, I am also kind of embarrassed and disappointed by humanity that most people over the age of 18-21 don’t even know this.

Nope that's wrong. 100/4(2+3) Let's call (2+3) = x 100/4x = 100*1/4x (as a fraction) = 100* 1/20 = 5.

u always gotta do these ( ) before division and multiplication

Soo like why doesn't PEMDAS apply here? 🤔

Since when tf do people write × like that-

Pemdas and Bodmas walk into a bar....

Wrong answer! The correct answer is 5

Why is your multiplication mark a point? It looks like you wrote 100%4.5

100÷4(2+3) 100÷4(5) 100÷20 5

Answer is simply, Five.

we are torpedoing our kids: I never saw anything so confusing in my life. Adding is adding, dividing is not multiplying backwards, and if I had to do math this way I'd be insane in an hour. Too much explaining just makes it worse.

My favorite problems 125.

The correct answer is, there is no correct answer. The notation is ambiguous and shouldn't be used (a multiplication symbol should be placed between the 4 and the parenthesis). That being said, most physics and maths textbooks use the convention that "implied multiplication" has higher precedence than division. So 1 / 2n is 1 / (2n), and similarly, 100/4(5) would be 100/(4(5)). 100/4*5 however is always (100/4)*5. It is noted that these contrived notation gotchas don't ever occur in real life usage of maths.

125

100÷45

125

125. Now go to bed.

Very cool show!! Keep it up

When a number is written outside of a parentheses without an operator (+,-,x,/), it is a FACTOR of what is inside and therefore cannot be separated from the parentheses operator.

125

Wikipedia Search Order of operations Article Talk Language Download PDF Watch Edit Not to be confused with Operations order. In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression. Order of operations These rules are formalized with a ranking of the operations. The rank of an operation is called its precedence, and an operation with a higher precedence is performed before operations with lower precedence. Calculators generally perform operations with the same precedence from left to right,[1] but some programming languages and calculators adopt different conventions. For example, multiplication is granted a higher precedence than addition, and it has been this way since the introduction of modern algebraic notation.[2][3] Thus, in the expression 1 + 2 × 3, the multiplication is performed before addition, and the expression has the value 1 + (2 × 3) = 7, and not (1 + 2) × 3 = 9. When exponents were introduced in the 16th and 17th centuries, they were given precedence over both addition and multiplication and placed as a superscript to the right of their base.[2] Thus 3 + 52 = 28 and 3 × 52 = 75. These conventions exist to avoid notational ambiguity while allowing notation to remain brief.[4] Where it is desired to override the precedence conventions, or even simply to emphasize them, parentheses ( ) can be used. For example, (2 + 3) × 4 = 20 forces addition to precede multiplication, while (3 + 5)2 = 64 forces addition to precede exponentiation. If multiple pairs of parentheses are required in a mathematical expression (such as in the case of nested parentheses), the parentheses may be replaced by other types of brackets to avoid confusion, as in [2 × (3 + 4)] − 5 = 9. These rules are meaningful only when the usual notation (called infix notation) is used. When functional or Polish notation are used for all operations, the order of operations results from the notation itself. Conventional order Special cases edit Unary minus sign edit There are differing conventions concerning the unary operation '−' (usually pronounced "minus"). In written or printed mathematics, the expression −32 is interpreted to mean −(32) = −9.[2][8] In some applications and programming languages, notably Microsoft Excel, PlanMaker (and other spreadsheet applications) and the programming language bc, unary operations have a higher priority than binary operations, that is, the unary minus has higher precedence than exponentiation, so in those languages −32 will be interpreted as (−3)2 = 9.[9] This does not apply to the binary minus operation '−'; for example in Microsoft Excel while the formulas =-2^2, =-(2)^2 and =0+-2^2 return 4, the formulas =0-2^2 and =-(2^2) return −4. Mixed division and multiplication edit There is no universal convention for interpreting a term containing both division denoted by '÷' and multiplication denoted by '×'. Proposed conventions include assigning the operations equal precedence and evaluating them from left to right, or equivalently treating division as multiplication by the reciprocal and then evaluating in any order;[10] evaluating all multiplications first followed by divisions from left to right; or eschewing such expressions and instead always disambiguating them by explicit parentheses.[11] Beyond primary education, the symbol '÷' for division is seldom used, but is replaced by the use of algebraic fractions,[12] typically written vertically with the numerator stacked above the denominator - which makes grouping explicit and unambiguous - but sometimes written inline using the slash or solidus symbol, '/'.[13] Multiplication denoted by juxtaposition (also known as implied multiplication) creates a visual unit and has higher precedence than most other operations. In academic literature, when inline fractions are combined with implied multiplication without explicit parentheses, the multiplication is conventionally interpreted as having higher precedence than division, so that e.g. 1 / 2n is interpreted to mean 1 / (2 · n) rather than (1 / 2) · n.[2][10][14][15] For instance, the manuscript submission instructions for the Physical Review journals directly state that multiplication has precedence over division,[16] and this is also the convention observed in physics textbooks such as the Course of Theoretical Physics by Landau and Lifshitz[c] and mathematics textbooks such as Concrete Mathematics by Graham, Knuth, and Patashnik.[17] However, some authors recommend against expressions such as a / bc, preferring the explicit use of parenthesis a / (bc).[3] More complicated cases are more ambiguous. For instance, the notation 1 / 2π(a + b) could plausibly mean either 1 / [2π · (a + b)] or [1 / (2π)] · (a + b).[18] Sometimes interpretation depends on context. The Physical Review submission instructions recommend against expressions of the form a / b / c; more explicit expressions (a / b) / c or a / (b / c) are unambiguous.[16] 6÷2(1+2) is interpreted as 6÷(2×(1+2)) by a fx-82MS (upper), and (6÷2)×(1+2) by a TI-83 Plus calculator (lower), respectively. This ambiguity has been the subject of Internet memes such as "8 ÷ 2(2 + 2)", for which there are two conflicting interpretations: 8 ÷ [2 · (2 + 2)] = 1 and (8 ÷ 2) · (2 + 2) = 16.[15][19] Mathematics education researcher Hung-Hsi Wu points out that "one never gets a computation of this type in real life", and calls such contrived examples "a kind of Gotcha! parlor game designed to trap an unsuspecting person by phrasing it in terms of a set of unreasonably convoluted rules."[12] Serial exponentiation edit If exponentiation is indicated by stacked symbols using superscript notation, the usual rule is to work from the top down:[2][7] abc = a(bc) which typically is not equal to (ab)c. This convention is useful because there is a property of exponentiation that (ab)c = abc, so it's unnecessary to use serial exponentiation for this. However, when exponentiation is represented by an explicit symbol such as a caret (^) or arrow (↑), there is no common standard. For example, Microsoft Excel and computation programming language MATLAB evaluate a^b^c as (ab)c, but Google Search and Wolfram Alpha as a(bc). Thus 4^3^2 is evaluated to 4,096 in the first case and to 262,144 in the second case. Mnemonics Calculators Programming languages See also Notes References Further reading External links Last edited 12 days ago by Jacobolus Wikipedia Content is available under CC BY-SA 4.0 unless otherwise noted. Privacy policy Terms of UseDesktop

125

Multiplication by juxtaposition has left the chat

PEJMDAS, so it’s 5. (Multiplication by Juxtaposition comes before division.)

yeah I get 125. At least I know I am doing it right...

Answer is 5: 100/4(2+3) BODMAS rule bracket first 100/4(5) = 100/20=5

The confusion isn't about order of operations (at least not totally). Its that the ➗ symbol shouldn't be used.

Turn avoid confusion, rewrite divide by four as multiply by 1/4. Now you only deal only in multiplication and you won’t mess up no matter what order you do it then.

5 lol it'd 100÷20=5

Let's just use RPN, no brackets and no bullshit: 2 3 + 100 4 / * = 125 See, problem solved