According to the order of operations, expressions inside parentheses are evaluated first, while addition and subtraction are evaluated last. For the given expression, this means evaluating the expression inside the parentheses completely before adding the power.
(3^3-4)+5^2Notice also that even within this parenthetical expression, we must obey the order of operations.
3^3-4
For this, we must remember to evaluate the exponent first, then evaluate the difference between the terms.
Operation
Before Simplification
After Simplification
Calculate power
(3^3-4)+5^2
( 27-4)+ 25
Subtract term
( 27- 4)+25
23+25
Add terms
23+ 25
48
The expression equals 48.
Alternative Solution
Using a Calculator
We can also evaluate this expression using a calculator. To do so, type it as shown below.
