Question

de o valor de (-3/4) -2

Answer 1

Ola Raiamanda, 

(- 3 / 4) - 2
= - 3 / 4 - 2
= - 3 / 4 - (2 x 4) / (1 x 4)
= - 3 / 4 - 8 / 4
= (- 3 - 8) / 4
= - 11 / 4

Answer 2

$(- \frac{3}{4}) ^{-2} = (- \frac{4}{3}) ^{2} = \frac{16}{9}$