30*(-0,1)³+7*(-0,1)²-3,9

Question

30*(-0,1)³+7*(-0,1)²-3,9

Answer 1

1)(-0.1)^3=-0.001
2)(-0.1)^2=0,01
3)30*(-0,001)=-0.03
4)7*0.01=0.07
5)-0.03+0,07=0.04
6)0.04-3.9=-3,86