Question

Resolva as expressões:
A) (1/3)³ - (3/4)²

B) (-5)² • (-5) ⁴
_________
[(-5)²] elevado a 6

Answer 1

a) (1/3)³ - (3/4)² = 1/27 - 9/16 = (16 - 243)/432 = -227/432
b) (-5)² . (-5)⁴ = (-5)⁶
c) [(-5)²]⁶ = (-5)¹²