8класс 2,7•10^3 1,56•10^4 6,78•10^2 3•10^-6 1,2•10^-4 4,76•10^-3 2,3•10^-1 •(умножение)

2.7∙ = 2700
1.56∙ = 15600
6.78∙ = 678
3∙ = 3∙ = 0.000003
1.2∙ = 1.2∙  = 0.00012
4.76∙ = 4.76 ∙  = 0.00476
2.3∙ = 0.23