Question

Pls help I am not able to solve

Answer 1

Answer:

a. (3)^-4

a^-m=1/a^m

(1/3)^4

1/3×1/3×1/3×1/3

1/81

answer

Answer 2

$\large \green{ \fcolorbox{grey}{white}{ ☑ \: \textbf{Verified \: answer}}}$

${3}^{ - 4} = { \frac{1}{3} }^{4} = \frac{1}{81}$

${ - 5}^{4} = 25 \times 25 = 625$

$\frac{1}{ {2}^{ - 5} } = {2}^{5} = 32$

${ \frac{1}{10} }^{ - 4} = {10}^{4} = 10000$