SOLUTION: (49/9)^-3/2 pleeease help me understand this problem! :)

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Question 280134: (49/9)^-3/2
pleeease help me understand this problem! :)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
minus exponent means inverse
so 10^(-1) means 1/10
10^3=10*10*10
100^1/2 means take the square (2) root
so we have (1/49/9)3/2
(9/49) ^3/2
take the square root
(3/7)^3
cube it
3*3*3/7*7*7
27/343