what is X^2sqrt(X)

Question

Is it X^(2+0.5)=X^(5/2)

because if it is then why don't my numbers match?

Say x=2.
X^2sqrt(X)--> 4*2=8
X^(5/2)=5.66

Answer 1

x^2 sqrt(x)
=x² sqrt(x)
=x² x^(1/2)
=x^(5/2)

For x=2,
x^2 sqrt(x)
=2² sqrt(2)
=4*1.414213462...
=5.6568542
(=2^(5/2))