It is: 8400 = 8.4*10^3 in scientific notation
8,400
8400 :P
8400/70 = 120 feet Check: 70*120 = 8400 square feet
As a fraction, 8400 = 8400/1
8400
55% of 8,400= 55% * 8400= 0.55 * 8400= 4,620
8400
There are 35 240 in 8400
8400
2.5% of 8400 = 210
8400/5=(8400/10)*2=840*2=1680 . So 5 "can go into 8400" exactly 1680 times.