1-7×(-0.1)^2+30×(-0,1)^3 вычислите

Question

1-7×(-0.1)^2+30×(-0,1)^3 вычислите

Answer 1

 = 1-7*(-1/10)^2 +30*(-1/10)^3 = 1-7* 1/100+30*(-1/1000) = 1-0.07-0.03=0.9

Answer 2

7*(-0.1)^2=0.14
30*(-0.1)^3=-0.03
1-0.14-0.03=0.83