Question

I’m stuck please help guys

Answer 1

B

Explanation:

Exponent product rule: If bases are same, add the exponents.

`a^(m)*a^(n)= a^(m+n)`

`(5x^(4)y^(2)z^(2)) *(3x^(4)y^(3)z^(5))=(5*3)x^(4+4)*y^(2+3)*z^(2+5)\\\\\\=15x^(8)y^(5)z^(7)`