Question is in the pic

Step-by-step explanation:

(5 * 10³) * (9*10⁷) = 5*9 * 10³⁺⁷

                          = 45 * 10¹⁰

                          = 4.5 * 10¹¹

(7*10⁵)÷ (2*10²) =

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

i can't solve unless i know what the line is

step-by-step explanation:

welcome to/p>