Question

Como resolver 8,4• 10⁷)=(2,1•10⁸

Answer 1

Resposta:

$8.4\cdot \:10^7=2.1\cdot \:10^8\quad :\quad \mathrm{Falso}$

Explicação passo a passo:

$8.4\cdot \:10^7\\10000000\cdot \:8.4\\84000000$

$2.1\cdot \:10^8$

$100000000\cdot \:2.1$

$210000000$