Convert.
cm
2. 2.7 km =
1. 5.4 m
=
mm
3. 0.02 km =
cm 4. 0.025 m =
m
5. 675 mm =
m 6. 7,435 cm =
topic 11 | reteaching
689

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =