The number of players in a game with six teams of different sizes two teams have 4 players each and rest has 3 players each

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Is it greater than or less than7*3_9*2

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?