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I need help with this equation please simplify 81^3/4 using a calculator

I need help with this equation please simplify 81^3/4 using a calculator-example-1
User Skywarp
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1 Answer

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22 votes

Notice that:


81=3^4.^{}

Recall that the following property of exponents:


(a^b)^e=a^(b* e).

Therefore:


81^{(3)/(4)}=(3^4)^{(3)/(4)}=3^3.

Answer:


81^{(3)/(4)}=27.

User Wjt
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3.1k points