Fractional Exponent (MathII)
posted by jezzaD. .
A mathematics teacher bought a birthday cake for his son with the dedication
Happy Birthday!!!
(2 raise to 5/2 .(the dot means times) 2 raise to 3/4 divided by 2 raise to 1/4)th
How old is his son?
kindly help me...

N = 2^(5/2) * 2^(3/4)/2^(1/4).
N = 2^(13/4)/2^(1/4) = 2^(12/4)=2^3=8.