Multiplying Exponents

In order to multiply exponents, the _____ has to be the same.

• Base

• Exponent

• Product

• numerator

Multiply

 $7^2\cdot5^8$  

•  $7^{10}$  

•  $5^{10}$  

• Can't be multiplied

•  $75^{10}$  

Multiply

 $2^9\cdot2^4$  

•  $4^{13}$  

•  $2^5$  

•  $2^{13}$  

•  $0^{13}$  

Multiply

 $23^7\cdot23^{12}$  

•  $23^{-5}$  

•  $23^{19}$  

•  $23^{7\cdot12}$  

•  $23\cdot23\cdot7\cdot12$  

Multiply

 $14^4\cdot4^1$  

•  $144^5$  

•  $14^5$  

• Can't be multiplied

•  $4^5$  

Multiply

 $10^5\cdot10^{45}\cdot10^2$  

•  $30^{52}$  

•  $1000^{52}$  

•  $10^{52}$  

• Can't be multiplied

Multiply

 $7y^3\cdot9y^6$  

• Can't be multiplied

•  $63y^9$  

•  $16^9$  

•  $7y^9\cdot9y^9$  

Multiply

 $32^7\cdot32^2\cdot32^4$  

• Can't be multiplied

•  $32^{13}$  

•  $32^1$  

•  $32^{48}$  

What is the rule when multiplying exponents?

• $n^{e+e}$

• $n^{e-e}$

• $n^{e\div e}$

• $n^{e\times e+1}$

Which ones shows exponents being multiplied incorrectly?

•  $2^2\cdot2^{88}=2^{90}$  

•  $2^2\cdot2^{88}=4^{90}$  

•  $7^2\cdot2^{88}=2^{90}$  

•  $7^2\cdot7^{88}=7^{90}$  

•  $56^1\cdot56^8=56^9$