silverwinter17 silverwinter17

31-03-2017
Mathematics

contestada

-3^2+5(-3)+9? the answer is not -15

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ChancyDaigle ChancyDaigle

31-03-2017

Three is the answer!!!

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31-03-2017

Use PEMDAS. (Parenthesis, Exponent, Multiplication, Division, Addition, Subtraction) to remember the order of operations.
Parentheses first. -3^2+(-15)+9
Exponent 9+(-15)+9
There's no M/S (multiplication/division)
A/S add and get 9+(-15)=-6
-6+9=3.

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