Answer:
17
a. 5^4 = 625
b. 3^4 = 81
18
a. log base 10000 , 10 = -4
b. log base 2, 1/2 = -1
19. Inverse represent opposite functions, when you plug one into the other using variables, the result should be x.
Step-by-step explanation: Remember that when converting, use the base of the log function as the base of exponent. The answer to the log function represents the value of the exponent. Hope this helps!