Question

8,20.10^8÷5,4.10^4
Tem que conter apenas algarismos significativos me ajudem !!

Answer 1

$\frac{8,2.10^{8} }{5,4.10^{4} } =\\\\8,2/5,4= 1,5185... = 1,52\\\\10^{8-4} = 10^{4} \\\\R: 1,52.10^{4}$

obs: Aplique as regras de divisão de potencia da mesma base:

$\frac{x^a}{x^b}\:=\:x^{a-b}$