Question

Use the order of operations to evaluate.
5 squared
minus
​(2.1plus5.4​)
plus
3.5
5 squared
minus
​___
plus
3.5
​___
minus
​___
plus
3.5
​___
plus
3.5
​___
Question content area bottom
Part 1Part 2
5 squared
minus
left parenthesis 2.1 plus 5.4 right parenthesis
plus
3.5
5 squared
minus
  
7.5
plus
3.5
Add.
  
enter your response here
minus
  
enter your response here
plus
3.5
Evaluate the power.

Answer 1

Expression: 5^2 − (2.1 + 5.4) + 3.5

1. Parentheses: 2.1 + 5.4 = 7.5, so 5^2 − 7.5 + 3.5.
2. Evaluate the power: 5^2 = 25, so 25 − 7.5 + 3.5.
3. Compute left to right: 25 − 7.5 = 17.5; 17.5 + 3.5 = 21.

Answer: 21.