Answer:
3 is the answer
Step-by-step explanation:
Mark brainliest
0.00009 might help I’m not sure about the possible answers but that one seems reasonable
I think it is C but it also could be B as well
The answer is C.
All of the other answers are incorrect
Answer:

Step-by-step explanation:
Given

Required
Determine an equivalent expression
Express 81 as 

Apply law of indices






Hence:
