Question

exercicios de fixaçao

a)8,40×10³÷2,0×10²=
b)100,0× 10²÷2,0×10²=

Answer 1

Resposta:

Explicação passo a passo:

a.

8,40:2,0= 4,2

10^3:10^2=10^(3-2)=10^1

4,2x10^1=

4,2x10=

42

b.

100:2,0=50

10^2:10^2=10^(2-2)=10^0

50x10^0=

50x1=

50