Multiplying and dividing rational numbers

 $\left(-1.2\right)\left(3.6\right)\left(-2.5\right)\div\left(\left(0.1\right)\left(-0.3\right)\right)$  

• -360

• -32.46

• 32.46

• 360

Tags

CCSS.7.NS.A.2C

Simplify the expression

25 (-1.5) (- 3)

• 112.5

• 20.5

• 30

• -115.2

Tags

CCSS.7.NS.A.2C

Which expression uses the commutative property to make it easier to evaluate

 $-12\cdot13\cdot\frac{1}{3}$  

•  $12\cdot13\cdot\frac{1}{3}$  

•  $\frac{1}{3}\cdot13\cdot12$  

•  $-\frac{1}{3}\cdot13\cdot12$  

•  $-12\cdot\frac{1}{3}\cdot13$  

Tags

CCSS.7.NS.A.2C

Find the missing side length. Leave answer in simplest radical form.

• A

• B

• C

• D

Tags

CCSS.7.NS.A.2C

What property is this?
⁴/₅ x ⁵/₄ + 16 = 1 + 16

• Multiplicative Inverse
• Multiplicative Identity
• Commutative
• Associative

Tags

CCSS.7.NS.A.2C

 $2\frac{1}{2}\div\frac{1}{4}$  

•  $10$  

•  $4\frac{1}{2}$  

•  $5\frac{1}{8}$  

•  $6$  

Tags

CCSS.7.NS.A.2C

Which expression uses the associative property to make it easier to evaluate:

6 (1/3 x 1/7)

• 6 (3/1 x 7/1)

• 1/3 (6 x 1/7)

• (6 x 1/3) 1/7 

• 6 (1/7 x 1/3)

Tags

CCSS.7.NS.A.2C

Which property represents:
 $\frac{1}{3}\cdot-1=-\frac{1}{3}$  

• Multiplicative Inverse

• Multiplicative Identity

• Multiplicative Property of 0

• Multiplicative Property of -1

• None

Tags

CCSS.7.NS.A.2C

 $\left(-\frac{1}{3}\right)\left(-2\right)\left(6\right)$  

Which experssions are equivalent to the above expression

•  $-\frac{1}{3}\left(-2\times6\right)$  

•  $\left(-2\right)\left(-\frac{1}{3}\right)\left(6\right)$  

•  $-\left(\frac{1}{3}\times2\times6\right)$  

•  $-\left(\frac{1}{3}\times6\right)-2$  

•  $\frac{\left(-\frac{1}{3}\right)\left(-2\right)}{\frac{1}{6}}$  

Tags

CCSS.7.NS.A.2C

Which property of equality should you use to solve the equation?
  -9w=6.3

• multiplication property of equality
• division property of equality
• addition property of equality
• subtraction property of equality

Tags

CCSS.7.NS.A.2C