Which is the best estimate for the product of 1,903.003 × 198.7?
a.
4,000,000
b.
400,000
c.
40,000
d.
4,000

How many degrees are there in the central angles in a circle

With this question, the answer with the red arrow is incorrect!

Ben and cam are scuba diving. ben is 15.815.8 meters below the surface of the water. cam is 4.24.2 meters above ben. what is cam's position relative to the surface of the water? choose 1 choose 1 (choice a) a 11.611.6 meters above the surface of the water (choice b) b 11.611.6 meters below the surface of the water (choice c) c 2020 meters above the surface of the water (choice d) d 20 meters below the surface of the water