Sederhanakan ! a. (2p^3 q^2 r^4)^2 b. (3m^2 n^4 r^5)^3

a. 4p^6 q^4 r^8 b. 27m^6 n^12 r^15

Pembahasan

a. (2p^3 q^2 r^4)^2 = 2^2 * (p^3)^2 * (q^2)^2 * (r^4)^2 = 4 * p^(3*2) * q^(2*2) * r^(4*2) = 4p^6 q^4 r^8
b. (3m^2 n^4 r^5)^3 = 3^3 * (m^2)^3 * (n^4)^3 * (r^5)^3 = 27 * m^(2*3) * n^(4*3) * r^(5*3) = 27m^6 n^12 r^15