Answer:
Step-by-step explanation:
15x4y5z2 is the answer.c is the answer.mark as brainlest
how!!!
see by adding all their powers
[tex]3xy^4z^2\cdot5x^2yx=(3\cdot5)(xx^2x)(y^4y)(z^2)=15x^{1+2+1}y^{4+1}z^2\\\\=\boxed{15x^4y^5z^2}\\\\\text{Used}\ a^n\cdot a^m=a^{n+m}[/tex]
