Question

Use the order of operations to evaluate.
3 cubed
minus
​(1.4plus7.1​)
plus
1.5
3 cubed
minus
​___
plus
1.5
​___
minus
​___
plus
1.5
​___
plus
1.5
​___
Question content area bottom
Part 1Part 2
3 cubed
minus
left parenthesis 1.4 plus 7.1 right parenthesis
plus
1.5
3 cubed
minus
  
8.5
plus
1.5
Add.
  
enter your response here
minus
  
enter your response here
plus
1.5
Evaluate the power

Answer 1

Step 1: Evaluate the power: 3 cubed = 3^3 = 27.

Step 2: Evaluate the parentheses: 1.4 + 7.1 = 8.5.

Now substitute: 27 − 8.5 + 1.5.

Compute left to right: 27 − 8.5 = 18.5; 18.5 + 1.5 = 20.

Answer: 20.