SOLUTION: please help me i am lost Use rational exponents to write x^1/7 * y^1/5 * z^1/4 as a single radical expression

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Question 358618: please help me i am lost

Use rational exponents to write x^1/7 * y^1/5 * z^1/4 as a single radical expression
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find a common denominator, 7%2A5%2A4=140
%281%2F7%29=%2820%2F140%29
%281%2F5%29=%2828%2F140%29
%281%2F4%29=%2835%2F140%29
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x%5E%281%2F7%29y%5E%281%2F5%29z%5E%281%2F4%29=root%28140%2C%28x%5E20y%5E28z%5E35%29%29