SOLUTION: Solve b^3 = 125 b = ??? I came up with the answer 5 since 5*5*5=125 Am I wrong?? Help. Devoted, Minka

Algebra ->  Test -> SOLUTION: Solve b^3 = 125 b = ??? I came up with the answer 5 since 5*5*5=125 Am I wrong?? Help. Devoted, Minka      Log On


   



Question 459953: Solve
b^3 = 125
b = ???
I came up with the answer 5 since 5*5*5=125
Am I wrong?? Help.
Devoted,
Minka

Found 2 solutions by Gogonati, richard1234:
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
You are right.b%5E3=125 => b%5E3=5%5E3 in the last equality since the
exponents are equal then and the bases are equal, therefore b=5.

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
5 is correct. If you are learning complex numbers, there are two other cube roots...