Question

evaluate this chapter exponents

Answer 1

$= (( \frac{1}{3})^{ - 1} - (\frac{1}{4} ^{ - 1}))^{ - 1} \\ = (3 - 4)^{ - 1} \\ = ( - 1)^{ - 1} \\ = \frac{ - 1}{1} \\ = - 1$

Answer 2

1.. (3-4)^-1=(-1)^-1=-1/1=-1
is your answer