176,837 views
17 votes
17 votes
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
by
3.0k points

1 Answer

22 votes
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
by
3.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.