According to the order of operations, exponents are evaluated first, multiplication and division next, while addition and subtraction are evaluated last. For the given expression, this means evaluating the exponent first, then multiplication and division, and finally the sum of the results.
1.25 * 4 +3 * 2 Ă· (1/2)^3
Let's do it!
Operation
Before Simplification
After Simplification
Calculate power
1.25 * 4 +3 * 2 Ă· (1/2)^3
1.25 * 4 +3 * 2 Ă· 1/8
Multiply
1.25 * 4 + 3 * 2 Ă· 1/8
5 + 6 Ă· 1/8
Divide
5 + 6 Ă· 1/8
5 + 48
Add terms
5+ 48
53
The expression equals 53.
Alternative Solution
Using a Calculator
We can also evaluate this expression using a calculator. To do so, type it as shown below.
