Since there are 5,280 feet in a mile, there are 3.97 miles in 21,000 feet.
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There are about 4 miles in 21000 feet.21000 divided by 5280 (5280 is the number of feet in a mile)
about 4 (3.98) miles
4 miles is greater because it has 21120 feet
Answer: 21000 ' = 3.97727 mi. OR 3 mi. and 1720.0 yd
This room is a rectangular prism. The equation for a rectangular prism to find the volume is the LxWxH=V. 50x28x15=1400x15=21000 cubic feet The number of cubic feet in this room is 21000 cubic feet.