Question

Simplify. (y3)5 · y4

Answer 1

I'm assuming ya want us to simplify $(y^3)^5*y^4$

reemember some exponential rules

$(a^b)^c=a^{bc}$

$(a^b)(a^c)=a^{b+c}$

so

$(y^3)^5*y^4=$

$y^{15}*y^4=$

$y^{15+4}=$

$y^{19}$