Question

1-Resolva as multiplicacoes abaixo:

a)(4x10^2)x(2x10^3)=

b)(3x10^3)c(2x10^4)x(2x10^4)=

c)(2x10^3)x(2x10^4)x(2x10^5)=

Ajuda aqui pfv​

Answer 1

a)

$8 \times 10 { }^{5}$

b)

$1.2 \times 10 {}^{12}$

c)

$2000 + 4 \times 10 {}^{9}$