81 to the power of a 1/4

Question

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Guest Sep 22, 2014

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Best Answer

The square root of 81 is 9 and the square root of 9 is 3, so 81^1/4 = 3 (or -3)

Check

$${{\mathtt{3}}}^{{\mathtt{4}}} = {\mathtt{81}}$$

$${\left(-{\mathtt{3}}\right)}^{{\mathtt{4}}} = {\mathtt{81}}$$

Alan Sep 22, 2014

Alan · Answer 1 · 2014-09-22T06:45:20

The square root of 81 is 9 and the square root of 9 is 3, so 81^1/4 = 3 (or -3)

Check

$${{\mathtt{3}}}^{{\mathtt{4}}} = {\mathtt{81}}$$

$${\left(-{\mathtt{3}}\right)}^{{\mathtt{4}}} = {\mathtt{81}}$$