No.
05 mi is bigger than 640 ft because how many feet are in a mile?
1 ft.
4 miles is greater. 15,840 feet = 3 miles exactly.
Yes 2 miles is greater than 5280 feet which is equivalent to 1 mile
There are about 4 miles in 21000 feet.21000 divided by 5280 (5280 is the number of feet in a mile)
21000 ft = 3.97727 mile
5 miles is greater. 640 ft = 0.12 miles
2 miles
15840 ft (which is 3 miles).
42240 ft is greater than 8 miles but not by much.8 miles is equal to 42239.999 ft.
90 ft is greater. Much greater!
20 miles
Yes
The density of concrete varies, but is about 150 lb/cu ft. mass = density x volume = 140 cu ft x 150 lb/cu ft = 21000 lb 1 lb ≈ 0.454 kg → 21000 lb ≈ 21000 x 0.454 kg ≈ 9525 kg (= 9.525 tonnes)
2 miles.
No.