Posted by jezzaD. on .
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...

Fractional Exponent (MathII) 
Steve,
2^(5/2) * 2^(3/4) / 2^(1/4) = 2^(5/2 + 3/4  1/4) = 2^3 = 8