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# Plz help.

+5
163
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What is the 4th root of 256 divided by 81?

Guest Mar 9, 2017
#1
+12565
+5

4th root of 256 is 4

4/81 = 0.0493827160493827

ElectricPavlov  Mar 9, 2017
#2
+7155
+2

You also could have meant:

$$(\frac{256}{81})^{\frac{1}{4}} =\frac{256^{\frac{1}{4}}}{81^{\frac{1}{4}}} = \frac{4}{3}$$

hectictar  Mar 10, 2017