1) (-0,2xz)^8 = (-0,2)^8 x^8 z^8 = 0,000000064 x^8 z^8 = 0,000000064x^8z^8
2) (-x^4)^6 = (-1)^6 x^24 = 1 x^24 = x^24
1) (-0,2xz)^8 = (-0,2)^8 x^8 z^8 = 0,000000064 x^8 z^8 = 0,000000064x^8z^8
2) (-x^4)^6 = (-1)^6 x^24 = 1 x^24 = x^24