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= 27^(3/3)
= 27^1
= 27
= 3^3
b) 11^(4/5) x 11^(6/7) = 11^(4/5 + 6/7)
= 11^(28/35 + 30/35)
= 11^(58/35)
c) 2^(1/3) x 2^3 / 2^(1/2) = 2^(1/3+ 3 - 1/2)
= 2^(2/6 + 18/6 - 3/6)
= 2^(17/6)
d) 6^(9/11) : 6^(7/11) = 6^(9/11 - 7/11)
= 6^(2/11)
e) (28^2)^(1/4) = 28^(2x1/4)
= 28^(1/2)
f) (19^2/3)^(9/16) = 19^(2/3 x 9/16)
= 19^(3/8)
g) 36^(1/2) = (6^2)^(1/2) = 6
h) 81^(-1/4) = (3^4)^(-1/4)
= 3^(-1)
coba cek lg riz ,