Respuesta :

1. x7 
2.6x3
3.p6 
Hope I helped 
irspow
When multiply similar bases with different exponents the rule is:

(a^b)(a^c)=a^(b+c)

1)

x^2*x^5=x^7

2)

2x*3x^2=6x^3

3)

p^3*p^2*p=p^6