Question

oblicz: (-0,1) do 4 potęgi * 20 do potęgi 3 -(-2) do potęgi 4

Answer 1

(-0,1)^4*20^3-(-2)^4

0,0001*8000-16

0,8-16

-15,2

Answer 2

(-0,1)^4  * 20^3 -(-2)^4 =

(-1/10)^4 * 20 * 20 * 20 - (-2)*(-2)*(-2)*(-2) =

1/10 000 * 8 000 - 16 = 8/10 - 16 = -16 + 8/10 = - 15 i 2/10 = -15,2