Practice problem
Simplify (3xy4)4.(3xy^4)^4.(3xy4)4.
12x4y1612x^4y^{16}12x4y16
12x5y812x^5y^{8}12x5y8
81x4y1681x^4y^{16}81x4y16
81x5y881x^5y^{8}81x5y8
Type a concept, like “slope” or “photosynthesis”.
