Question

find the value of 4√(81) power -2​

Answer 1

Answer:

$4 \sqrt{ {(81)}^{ - 2} } \\ \\ = 4 \sqrt{ \frac{1}{ {81}^{2} } } \\ \\ = 4 \times \frac{1}{81} \\ \\ = \frac{4}{81}$

Answer 2

Step-by-step explanation:

For example, the fourth root of 81 is 3.0, as the square root of 81 is 9.0 and the square root of 9.0 is 3.0. Alternatively, (81)0.25 also equals 3.0 on your calculator.