Fractional Exponent (Math-II)

A mathematics teacher bought a birthday cake for his son with the dedication

Happy (2 raise to 5/2 .(the dot means times) 2 raise to 3/4 divided by 2 raise to 1/4)
Birthday!!!

How old is his son?

kindly help me...

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  1. 2^(5/2) * 2^(3/4) / 2^(1/4) = 2^(5/2 + 3/4 - 1/4) = 2^3 = 8

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    posted by Steve

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