SOLUTION: Given that 3^-x=5, find the value of 3^3x? Answer=1/125. I need to see how this is broken down. I'm studying for a test and can't find an example of this problem. Thank you!

SOLUTION: Given that 3^-x=5, find the value of 3^3x? Answer=1/125. I need to see how this is broken down. I'm studying for a test and can't find an example of this problem. Thank you!

Algebra.Com

Question 867191: Given that 3^-x=5, find the value of 3^3x? Answer=1/125.
I need to see how this is broken down. I'm studying for a test and can't find an example of this problem. Thank you!
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Cubing both Sides

1/125 = 3^(3x)
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