Asked by sean

simplify the following radical expression : 4 sqrt (81)/ (16)

a) 2/3
b) 3/2
c) 2
d) 3
Answered by Damon
Huh ?
4*9/4 = 9
Answered by sean
no damon i think its b
Answered by Damon
oh you mean
(81/16)^(1/4)
that is
sqrt (9/4)
which is
3/2

please try to pick up notation for expressing exponents on keyboard.
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