Question

ajudem a coleguinha aqui, babys ​

Answer 1

Resposta:

$3,07918*10^8 \ kg$

Explicação passo-a-passo:

Basta fazer a diferença.

$3,125*10^8-4,582*10^6\\\\3,125*10^2*10^6-4,582*10^6\\\\3,125*100*10^6-4,582*10^6\\\\312,5*10^6-4,582*10^6\\\\(312,5-4,582)*10^6\\\\307,918*10^6\\\\3,07918*10^8$