Operations with Rational Numbers - Study Guide Day 2A

Simplify the expression.

10(-4)

• 40

• -40

• 6

• -6

Simplify the expression.

 $\frac{-144}{-4}$  

• 12

• -12

• 36

• -36

Simplify the expression.

 $-\frac{7}{4}\left(\frac{1}{2}\right)$  

•  $-\frac{7}{4}$  

•  $\frac{7}{6}$  

•  $\frac{8}{6}$  

•  $-\frac{7}{8}$  

What is the value of  $3.1\left(5-24\right)$  

• 58.9

• -58.9

• 589

• -589

Dan needs to express the fraction  $\frac{2}{5}$  as a negative. Where should she place the negative symbol?

• In the numerator  $\frac{-2}{5}$  

• In the denominator  $\frac{2}{-5}$  

• In front of the fraction bar  $-\frac{2}{5}$  

• All of these choices are correct