Resposta:
Explicação passo a passo:
a)(2/10)⁻³=(1/5)⁻³=5³=125
b)(1/10)⁻¹=10¹=10
c)(73/10)⁻²=(10/73)²=100/5329
d)1
e)(12/10)⁻³=(6/5)⁻³=(5/6)³=125/216
f)2/3=23/10
g)(4/10)²=(2/5)²=4/25
