Unit 7

Write the numerical expression as a power.

6 × 6 × 6 × 6

• 24

• 6 to the fourth power

• 6 squared

• 72

What is this power in expanded form?

4 to the third power

• 84

• 12

• 43

• 4x4x4

What is the prime factorization of

28?

• 7x4

• 2x8x4

• -8x2x-2

• 2x2x7

What is the prime factorization of 45?

• 4x5

• 3x3x5

• 4 to the 5th power

• 9x5

What is the value of 5 to the third power?

• 125

• 15

• 53

• -5

Find the value of

20 + 15 ÷ 5 − 2 × 9.

• 45

• 450

• 5

• 50

Find the value of

4 × 4 + 7 × (−3)

• 5

• -5

• 69

• -69

What is the coefficient in

3x + 7

• 3

• x

• +

• 7

How many terms are in the expression

5x + 8 + y

What is the constant in

x+4+9y