Question 814699
279936 (x^5)^(7/2)
raise 6 to the 7th power
sqrt(x^5)=x^5/2
but raised to the 7th can be written

(x^5)^(7/2)
or 
x^(35/2)
x^15 sqrt(x^5)
279936 x^15 sqrt(x^5)