6.7A/6.7D Review

What is the prime factorization of 110?

• 5² ⋅ 11
• 2⁵ ⋅ 11
• 5 ⋅ 22
• 2 ⋅ 5 ⋅ 11

Find the equivalent expression.

9 x 9 x 9 x 9 x 9

• 9⁵
• 9¹⁵
• 9 x 5
• 9 + 9 + 9 + 9+ 9

Tags

CCSS.6.EE.A.1

A scientist reports that a bacteria culture contains 3⁴ bacteria.
How many bacteria is that?

• 12
• 81
• 7
• 95

Tags

CCSS.1.OA.A.1

Simplify 75 - (2³ + 45 ÷ 3) x 7.

• 236

• -86

• -77

• 86

Tags

CCSS.7.NS.A.3

What is the prime factorization of 64? 

• 6²
• 2⁶
• 2⁸
• 8²

Tags

CCSS.6.EE.A.1

What is the prime factorization of 150?

• 2³ × 3 × 5
• 2× 5²
• 2 × 3 × 5²
• 3 × 5³

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Which two expressions are equivalent?

• 4 + (3 ⋅ y) and (4 + 3) ⋅ y

• (18 ÷ y) + 10 and 10 + (y ÷ 18)

• 12 - (y ⋅ 2) and 12 - (2 ⋅ y)

• (10 - 6) ÷ y and 10 - (6 ÷ y)

Tags

CCSS.6.EE.A.4

Which two expressions are equivalent?

• 9(6 + x)

  9⋅ 6 + 9 ⋅ x

• x + (8 ⋅ 9)

  (x + 8) ⋅ 9

• 8 ⋅ 6 ÷ x

  8 ⋅ x ÷ 6

• 6 ⋅ x + 3

  6 ⋅ ( x + 3)

Tags

CCSS.6.EE.A.4

What is the prime factorization of 99?

• 3² ⋅ 11

• 3³ ⋅ 11

• 9 ⋅ 11

• not here

Tags

CCSS.6.EE.A.4

CCSS.6.EE.A.1

Which expression is equivalent to

3 (x + 6)?

• 3 + 3 + x + 6

• 3x + 6

• 3x + 18

• 3 + x + 6

Tags

CCSS.6.EE.A.4