Answer:
42 w^6 y^9
Step-by-step explanation:
Simplify the following:
3×7×2 w^5 y^7 y^2 w
3 w^5 y^7×7 y^2×2 w = 3 w^(5 + 1) y^(7 + 2)×7×2:
3×7×2 w^(5 + 1) y^(7 + 2)
7 + 2 = 9:
3×7×2 w^(5 + 1) y^9
5 + 1 = 6:
3×7×2 w^6 y^9
3×7 = 21:
21×2 w^6 y^9
21×2 = 42:
Answer: 42 w^6 y^9