Question

Solve for X

1.) 5(4)^x=320 solve for x

2.) 7 (1/3)^x=7/27 solve for x

Answer 1

Answer:

$5(4)^x=320\\\frac{5(4)^x}{5}=\frac{320}{5}\\ 4^x=64\\x*(log(4) )=log(64)\\x=\frac{log(64)}{log(4)}\\ x=3$

Step-by-step explanation: