Jika a=8 dan b= 27,maka nilai 3a -1/3 x 4b 2/3

jawab

bilangan berpangkat

a= 8
b = 27

nilai  3.a^(-1/3) . 4 b^(2/3)

= 3 . 8^(-1/3) . 4. (27)^(2/3)

= 12. (2^3)^(-1/3) . (3^3)^(2/3)

= 12 (2)^-1. (3^2)

= 12 . 9 / 2

= 6 . 9

= 54