Question

The expression for 8-² as a power with the base 2 is______​

Answer 1

Step-by-step explanation:

8-2

= (2 × 2 × 2)-2

= (23)-2

Answer 2

$\mapsto {8}^{( - 2)} \\ \\ \mapsto { \big\{ {(2)}^{3} \big\} }^{ (- 2)} \\ \\ \mapsto {2}^{ \{3 \times ( - 2) \}} \\ \mapsto {2}^{ (- 6)} \\ \\ \mapsto \frac{1}{ {2}^{6} } \\ \\ \mapsto \frac{1}{64}$