6.
1)
(2x^2*y^3)^2=4x^4*y^6
2)
(-3m^3*n*p^4)^8=6561m^8*n^8*p^32
3)
(1/2*a^9*b^2)^3*(ab)^5 = 1/8*a^27*b^6*a^5*b^5 = 1/8*a^32*b^11
4)
(-4,5pk^2*d)^2*(2pd)^2 = 20,25p^2*k^4*d^2*4p^2*d^2 = 81p^4*k^4*d^4
7.
1)
a^5*b^5*k^5 = (abk)^5
2)
(7/8)^12*m^12*a^12 = ((am)/7)^12
3)
25x^2*y^4 = (5xy^2)^2
4)
-27b^6*k^9 = (-3b^2*k^3)^3
5)
64/169*r^8 = (8/13*r^4)^2
6)
81a^4*b^8 = (9a^2*b^4)^2
7)
(20+44)a^3 = 64a^3 = (4a)^3