Review for Skills 15-17 Quiz

Which of the following are true statements? Select all that apply.

• 5x = x * x * x * x * x

• 3 x 2 = 2 + 2 + 2

• 4³ = 4 + 4 + 4

• 7 * 7 = 7²

• y⁴ = y * y * y * y

Which of the following are equivalent to 5*8? Select all that apply.

• 8 + 8 + 8 + 8 + 8

• 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5

• 8*5

• 40

Are 7⁴ and 7 * 4 equivalent expressions?

• No, because 7⁴ means 7 + 7 + 7 + 7, while 7*4 means 7 * 7 * 7 * 7.

• Yes, because 7⁴ and 7*4 both simplify to 28.

• No, because 7⁴ means 7 * 7 * 7 * 7, while 7 * 4 means 7 + 7 + 7 + 7.

• Yes, because 7⁴ and 7*4 both mean 7 * 7 * 7 * 7.

Which of the following are true statements? Select all that apply.

• 6² = 12

• 4³ > 6²

• 20⁰ < 5¹

• Any number to the zero power is 1.

• 2⁴ > 4²

Which power is largest?

• 9²

• 4³

• 2⁴

• 11⁰

• 15¹

Which of the following are true statements? Select all that apply.

• 7 * 5 = 7 + 7 + 7 + 7 + 7

• y + y + y = y³

• 5 * 5 * 5 * 5 = 5⁴

• 3⁴ = 4 * 4 * 4

• a + a + a + a = 4a

Simplify 3 + 5 * 7

• 38

• 56

Tags

CCSS.6.EE.A.3

Simplify 20 - 10 ÷ 2

• 5

• 15

Tags

CCSS.5.NBT.B.6

CCSS.5.OA.A.1

Simplify 10 ÷ 5 * 2

• 4

• 1

Tags

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

Simplify 18 - 5 + 2

• 11

• 15

Tags

CCSS.3.NBT.A.2