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a) 3^3 x 2 x 3^7 = 2 x 3^10
b) (2^2 x 1^6) x 50 = 200
c) (1/2)^3 x (1/3)^12
d) 2^4 x 4 x 2^3 = 2^4 x 2^2 x 2^3 = 2^9
nomor 2
a) (3^x)^x = 81
3^x² = 3^4
x² = 4
x = 2 atau x = - 2
b) (1/64) . 4^x . 2^x = 64
2^(-6) . 2^(2x) . 2^x = 2^6
2^(3x - 6) = 2^6
3x - 6 = 6
3x = 12
x = 4