Answer:
30y^5 x^8
Explanation:
3x^8 * 5y^4 * 2y
Add 4 and 1 and you'll get 5 so it'll be:
3x^8 * 5y^5 * 2
Which it'll look like
15x^8 y^5 *2=
30x^8 y^5
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