Question

1) Resolva as potências e fazer os cálculos

a) (2*5 X 2*6 X 2*4) ÷ 2*7 X 2*3)


B)(3*4÷3*2) X ( 3*5 ÷3*3)


C) [(-5)*2 X (-5)*4] ÷ [(-5) X (-5)*3

Answer 1

a)2⁵×2⁶×2⁴÷2⁷×2³=
32×64×16 ÷ 128×8
32768÷1024
=32

b)(3⁴÷3²)×(3⁵÷3³)
(81÷9)×(243÷27)
9×9
=81

c)[(-5)²×(-5)⁴] ÷ [(-5)×(-5)³
[25×625] ÷ [(-5)×(-125)]
15625 ÷ 625
=25