Multiplying and dividing rational numbers

Which expression is underfined?

• $\frac{\left(3-3\right)}{7}$

• $0\div5$

• $\frac{\left(0-12\right)}{-6}$

• $\frac{8}{\left(-2+2\right)}$

Tags

CCSS.7.NS.A.2C

4.8(7 - 5)

• 6.9

• 5.8

• -9.6

• 9.6

Tags

CCSS.7.NS.A.2C

Select all equations that are true:

• $\frac{-5}{6}=\frac{\left(-5\right)}{\left(-6\right)}$

• $-\frac{5}{6}=-\left(\frac{-5}{-6}\right)$

• $\frac{5}{6}=-\left(\frac{-5}{6}\right)$

Tags

CCSS.7.NS.A.2C

Evaluate

 $-6\left(-1.5-7\right)$  

Tags

CCSS.7.NS.A.2C

(-5 x -1.2) / 3

• 20
• 2.0
• -2
• -20

Tags

CCSS.7.NS.A.2C

The cards in Bianca's hand have a value of −12.75 after the value of the cards in her original hand tripled. What was the value of the cards in her original hand?

• -4.25

• 4.25

• -38.25

• 38.25

Tags

CCSS.7.NS.A.2C

What is the product?

-8(7 - 3.2)

• -59.2

• 52.8

• -4.2

• -30.4

Tags

CCSS.7.NS.A.2C

Tags

CCSS.7.NS.A.2C

 $0.01\left(4.6\right)\left(-200\right)$  

•  $-9200$  

•  $-9.2$  

•  $2.3$  

•  $-2.3$  

Tags

CCSS.7.NS.A.2C

Rules that are used to multiply integers are used to multiply rational numbers?

• Sometimes

• true

• false

Tags

CCSS.7.NS.A.2C