It would be 220 rounded to the nearest ten because the number in the ones place does not equal or exceed 5.
So 220 is your answer :)
(3)
It says the rocket was in the air for approximately 6 seconds before hitting the ground.
But the graph proves it untrue because after 6 seconds it is still in the air, rather than on the ground like (3) suggests.
Exterior is 360 and interior is 7920!
R/10 = 18/30
30r = 180
r = 6
The value of r is 6
