Question

What does this equal if you use Order of Operations? 1 + 2[(3 – 5)2 – 8]

Answer 1

Hello!

Explanation:

This question's it's about the order of operations. It stands for parenthesis, exponents, multiply, divide, add, and subtract. It can also go left to right.

Do parenthesis first.

$1+2=3$

$(3-5)*2-8$

$-2*2-8$

Multiply left too right.

$-2*2=-4$

$-4-8$

$=-12$

Add/subtract left too right.

$1+2(-12)$

Multiply left to right.

$2(-12)=-24$

$1-24=-23$

Answer: $\boxed{=-23}$

Hope this helps!

Answer 2

$1 +2 [(3-5)2 - 8]= 1+ 2[(-2)2-8] = 1 +2[-4-8] = 1+2[-12] = 1-24 = -23$