Convert 10m/s to km/h

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

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.