Question

Resolva os cálculos com potência de base 10: 5×10 elevado a -4 x4×10 elevado a 5​

Answer 1

Resposta:

$1.\\5x10^{-4}\\10^{-4}=0,0001\\->5x0,0001=0,0005\\\\2.\\4x10^{5}\\10^{5}=100000\\->4x100000=400000\\\\->(5x10^{-4})x(4x10^{5})\\->0,0005x400000=200\\R=200$

Explicação passo-a-passo: