SOLUTION: (2^-1÷5^-1)×(-5/8)^-1= ?

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Question 1044788: (2^-1÷5^-1)×(-5/8)^-1= ?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
(2^-1÷5^-1)×(-5/8)^-1= ?
2^-1 = 1/2
5^-1 = 1/5
(-5/8)^-1 = 1/(-5/8) = 8/-5
..........
(2^-1÷5^-1)×(-5/8)^-1= ?
(1/2 / 1/5) x 8/-5
5/2 x 8/-5
Cancel out
= -4
Hope this helps :-)