![243^{\frac{4}{5}}=\sqrt[5]{243^4}=\sqrt[5]{(3^5)^4}=\sqrt[5]{(3^4)^5}=3^4=81](/tpl/images/0177/5227/dad1f.png)
How would i work this out in my head, without a calculator? ?
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Mathematics, 19.08.2019 02:00 grace783
How would i work this out in my head, without a calculator? ?
Answers: 2
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