My calculator shows that
(2.1)/(1.488) = 1.41129
which is approximate. If you want the result to two decimal places, then it would be 1.41 and not 1.40
Try 1.41 and it should work out, assuming your teacher wants two decimal places.
13 cm+ 13 cm= 26 cm, 26 cm is the answer to Part B.
Answer:
Time in seconds when the ball is 4 feet above the ground is:
t= 0.6 and 2.9.
First do $70(4). That would equal $280. Then do $280+$40=$320