I’m unsure why I keep getting this wrong

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Write the standard form of an equation with (see picture below)