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Mathematics 7 Online
OpenStudy (anonymous):

Evaluate. (125) ^(2/3)

OpenStudy (anonymous):

thats 25

OpenStudy (anonymous):

2/3= 0.66667

OpenStudy (anonymous):

125 to the power of 0.66667 is 25

OpenStudy (anonymous):

That's all you have to do with radical exponents ?

OpenStudy (anonymous):

well a more technical way to solve it would be

OpenStudy (anonymous):

taking the cube root of 125 which = 5 and then raising it to the power of 2, giving you 25

OpenStudy (anonymous):

you take the cube root when you have the 3 in a power as a fraction, then raise the answer to the numerator in the fraction

OpenStudy (anonymous):

understand?

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