According to the order of operations, expressions inside parentheses are evaluated first, while addition and subtraction are evaluated last.
4÷(0.5)^2
For this exercise, we must remember to evaluate the exponent first, and the divison next.
Operation
Before Simplification
After Simplification
Calculate power
4÷(0.5)^2
4÷ 0.25
Calculate quotient
4÷ 0.25
16
The expression equals 16.
Alternative Solution
Using a Calculator
We can also evaluate this expression using a calculator. To do so, type it as shown below.