Order of Operations and Exponent Review

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16

• 2

• 72.25

• 8.75

What would be my first step? 3 + 4 x 6 - 4 =

• addition

• multiplication

• subtraction

• exponents

(4 x 8) - (9 + 7) =

• 16

• 25

• 41

• 32

2 ⋅ (3 + 8 ÷ 4)²

• 16

• 1.375

• 4

• 50

8² - 20 ÷ 2 x 5

• 14

• 10

5 + (2+1)³

• 512

• 14

• 32

• 24

• 6

• 3

• They both are the exponent

• None of them are the exponent

• Six to the second power

• Two and six

• Two to the sixth power

• 64

What mistake did this person make when solving?

• They divided $8\div2$ when they should have solved the exponent first.
  

• This answer is correct!

Solve: 29 - 3 (3² - 4)

• 130

• 2

• 44

• 14