Multiplying & Dividing Rational numbers

9 x (-2.2)

 $Select\ ALL\ possible\ answers:\frac{3}{4}+\left(-0.9\right)$  

•  $\frac{-3}{20}$  

•  $0.25$  

•  $\frac{1}{4}$  

•  $-0.15$  

(-0.6) x 0.91

Michael is training for a half-marathon in 2021. This week is he running

 $5\frac{1}{4}$  miles a day and he needs to run 4 days this week. How many total miles will Michael run this week? 

• 20 miles

• 21 miles

• 22 miles

• 23 miles

 $\left(\frac{1}{4}\right)\div\left(\frac{-3}{5}\right)$  

Would my answer be positive or negative? 

• positive

• negative

Due to erosion, a beach is disappearing at a rate of -5 feet per year. How long will it take for the beach to lose 30 feet?

• 5 years

• 6 years

• 25 years

• 35 years

• 
• 
• 
• 

Find the quotient: 27÷(-9)

• -3

• -18

• 3

• 18

 $\left(\frac{1}{4}\right)\div\left(\frac{-3}{5}\right)$  

•  $\frac{5}{12}$  

•  $\frac{-5}{12}$  

•  $\frac{-3}{20}$  

•  $\frac{3}{20}$  

 $\frac{-2}{3}\times\frac{2}{9}$  

•  $-3$  

•  $\frac{4}{27}$  

•  $\frac{-4}{27}$  

•  $3$