78.8
400
50
40
14.1093
16 divided by 0.04 = 400
2500
40
the quotient of 3600 and 9 is 400.
400/50 = 8
The best estimated value is the exact answer since anything else can be improved upon with more effort.
4240 10.6 divided by 1/400 = 106/100 divided by 1/400 = 106/100 x 400/1 = 42400/100 = 4240 checking, 4240 x .0025 = 10.6