Question

Resolva os produtos expressando em potencia de 10:

a)0,000026×0,0003=
b)450000×0,00005=
c)0,00005×0,0000009=

Answer 1

a)
2,6 × 10^-5 × 3 × 10^-4 = 7,8 × 10^-9

b) 4,5 × 10^5 × 5 × 10^-5 = 22,5

c) 5 × 10^-5 × 9 × 10^-7 = 45 × 10^-12 = 4,5 × 10^-11

Answer 2

a) 2,6 * 10^-6 x 3 * 10^-4 b) 4,5 * 10^5 x 5 * 10^-5 c) 5 * 10^-5 x 9 * 10^-7