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LaynaMae one year ago SOMEONE PLEASE HELP ME !

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1. LaynaMae

2. LaynaMae

@ranga ?

3. LaynaMae

@ash2326 ?

4. satellite73

first multiply $$3\times 7=21$$ to write it as $\large\sqrt[5]{x^{21}}$

5. satellite73

then rewrite with a rational exponent, by the rule that $\large \sqrt[n]{x^m}=x^{\frac{m}{n}}$ to get $\large \sqrt[5]{x^{21}}=x^{\frac{21}{5}}$

6. LaynaMae

Wow , and that's it ? I guess I have over-thinking the question ! Thank you :))

7. LaynaMae

I have 4 more questions that I can't seem to understand , can you help ?

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