8,500 decimetres = 85,000 centimetres
28% of 85000= 28% * 85000= 0.28 * 85000= 23,800
2% of 85000 = 2% * 85000 = 0.02 * 85000 = 1700
2.5% of 85,000= 2.5% * 85000= 0.025 * 85000= 2,125
40% of 85,000= 40% * 85000= 0.4 * 85000= 34,000
7.8% of 85,000= 7.8% * 85000= 0.078 * 85000= 6,630
28% of 85,000= 28% * 85000= 0.28 * 85000= 23,800
17% of 85,000= 17% * 85000= 0.17 * 85000= 14,450
60% of 85000 = 51000
5% of 85000 = ( 5/100 ) ( 85,000 ) = 4250
85000 sq feet = 85000/9 = 9444.44... sq yards.
There are two significant figures in 85000