Exponents review

According to exponent rules, when we multiply the same base we _______ the exponents.

• Multiply
• Add
• Divide
• Subtract

 $7^3=$  

• 21

• 10

• 343

• 20

Simplify:  $m^o$  

•  $m$  
  

•  $1$  
  

•  $0$  
  

•  $-m$  
  

Simplify:
b² ⋅ b⁴

• b⁸
• b⁶
• b²
• 2b⁶

Multiply

• 100
• 10¹
• 10^-2
• 1/100

n²⋅n⁴⋅n⁵

• n¹¹
• n⁴⁰
• n¹³
• n²²

Simplify so that the expression has only positive exponents.

 $w^{-5}$  

•  $\frac{1}{w^5}$  

•  $-5w$  

•  $5w$  

•  $\frac{1}{w}$  

Make this negative exponent positive.
9^-3

• 9³
• 1/9^-3
• 1/9³
• 729

Simplify. All your exponents must be positive.  $2(x)^{-2}=$  

•  $2x^2$  

•  $\frac{x^2}{2}\$  

•  $\frac{2}{x^2}$  

•  $x^2$  

Simplify the following expression: 
xy^-7

• xy⁷
• x/y⁷
• x⁷/y
• x⁷y