1.1: Order of Operations

Simplify the following expression:

 $5^2-\left(7-11\right)$  

• 21

• 25

• 29

• 31

Simplify the following expression:

 $\frac{3}{5}+\frac{1}{2}\cdot\frac{3}{7}$  

•  $\frac{57}{70}$  

•  $\frac{6}{19}$  

•  $\frac{8}{9}$  

•  $\frac{33}{70}$  

Simplify the following expression:

 $\frac{\left(4-2\right)^3+5}{6-1}$  

•  $\frac{11}{5}$  

•  $\frac{4}{5}$  

•  $\frac{8}{5}$  

•  $\frac{13}{5}$  

Simplify the following expression:

 $48\div2\left(9+3\right)$  

• 2

• 8.6

• 150

• 288

Simplify the following expression:

 $\frac{6}{7}\left(\frac{2}{3}-\frac{3}{4}\right)$  

•  $-\frac{1}{14}$  

•  $-\frac{3}{7}$  

•  $\frac{5}{14}$  

•  $\frac{6}{7}$  

Simplify the following expression:

 $\frac{1}{4}\left(16\div4\left(3+5\right)\right)$  

•  $\frac{1}{8}$  

• 8

•  $\frac{1}{32}$  

• 32

Simplify the following expression:

 $\left(18\div6\cdot5\right)-14\div7$  

•  $\frac{1}{7}$  

• 7

• 13

•  $\frac{4}{7}$  

Simplify the following expression:

 $-4+\left(\left(9-4\right)^3+4\right)+13$  

• 28

• 67

• 103

• 138

Simplify the following expression:

 $12\div6+6\left(10-8\right)$  

• 2

• 8

• 14

• 16

Simplify the following expression:

 $\frac{1}{5}\div\frac{10}{3}\left(\frac{2}{7}+\frac{1}{2}\right)$  

•  $\frac{33}{700}$  
  

•  $\frac{6}{751}$  
  

•  $\frac{19}{358}$ 

•  $\frac{45}{498}$