Question

EVALUATE 5^-3=

PLS GET ME THE ANSWER

Answer 1

$\huge\mathbb\color{purple}{AN}\purple{SW}\pink{ER}\color{pink}{:}$

${5}^{ - 3} \\ =( { {5}^{3} )}^{ - 1} \\ = \frac{1}{ {5}^{3} } \\ = \frac{1}{5 \times 5 \times 5} \\ = \frac{1}{125}$

Note :

${x}^{ - 1} = \frac{1}{x}$

Answer 2

5

−3

=(5

3

)

−1

=

5

3

1

=

5×5×5

1

=

125

1

Note :

{x}^{ - 1} = \frac{1}{x} x

−1

=

x

1