Question 77624
(s 2/3 power x t 1/2 power)(s 1/2 power x t 1/5 power) =
(s^(2/3)t^(1/2))(s^(1/2)t^(1/5))

= s^(2/3+1/2)t^(1/2+1/5)

= s^(7/6)t^(7/10)
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Cheers,
Stan H.