How do you simplify 5^2- 8 ÷ 2 using order of operations?

1 Answer
Meave60
May 22, 2018

5^2-8-:2=color(blue)21

Explanation:

Follow the order of operations as indicated by the acronym PEMDAS:

Parentheses/brackets
Exponents/radicals
Multiplication and Addition in order from left to right.
Addition and Subtraction in order from left to right.

5^2-8-:2

Simplify 5^2 to 25.

25-8-:2

Simplify 8-:2 to 4.

25-4

Simplify 25-4.

21

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