The answer is 0.73 because in 0.975 the value of digit 7 is 7/100 ,10 times of 7/100 is 7/10 and the value of 7 in 0.73 is 7/10 ;.tenth value.
1st guy minus the 2nd is how far the 2nd made it
86-22=64 ft
e = Euler's constant
e ≈ 2.718281828459045, rounded up e = 2.7183.