In which expression should the exponents be multiplied?

(53)−4
one third to the 4th times one third to the 7th
3 to the 7th over 3 to the 15th
45 ⋅ 42

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?