Question 463345
2^(5/2)-2^(3/2)
= {{{2^(1)*2^(1.5)- 2^(1.5)}}}
= {{{2*2^(1.5)- 2^(1.5)}}}
= {{{2^(1.5)}}}
= {{{sqrt(8)}}}
= {{{2sqrt(2)}}}