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The answer is 255. You would use PEMDAS, but when it comes to multiplication and division they work together, so you go left to right like you’re reading a book. It also goes for addition and subtraction.
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The value of the expression will be equal to 255.

What is a PEMDAS rule?

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

The given expression will be solved by using PEMDAS as below:-

E = 21÷3+(3 x 9) x 9+5

First, solve the numbers in the parenthesis.

E = 21 ÷ 3 + ( 27 x 9) + 5

Again solve the parenthesis.

E = 21 ÷ 3 + 247 + 5

E = 7 + 247 + 5

E = 255

Therefore, the value of the expression will be equal to 255.

More about the PEMDAS rule link is given below.

https://brainly.com/question/24383445

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