Question

Simplify (- 2) ^ - 3 * (- 2) ^ - 4​

Answer 1

Answer:

$(- 2) ^{ - 3} \times (- 2) ^{- 4} = ( - 2) {}^{ - 3 - 4} \\ = ( - 2) {}^{ - 7} \\ = - \frac{1}{128}$

Answer 2

= -2 ^ -3 * - 2 ^ -4
= -2 ^ (-3)+(-4)
= -2 ^ -7
= 1 / (-2)^7
= -1 / 2^7
= -1 / 128
= -0.0078 Answer