According to the order of operations, expressions inside parentheses are evaluated first, while addition and subtraction are evaluated last.
(0.25)4^2
For this exercise, we must remember to evaluate the exponent first, and the multiplication next.
Operation
Before Simplification
After Simplification
Calculate power
(0.25)4^2
(0.25) 16
Multiply
(0.25) 16
4
The expression equals 4.
Alternative Solution
Using a Calculator
We can also evaluate this expression using a calculator. To do so, type it as shown below.