In the order they were given - they would be rounded to 20, 40, 90 & 70 respectively.
70
73 rounded to the nearest hundreds is 100
40° 42′ 15″ N, 73° 55′ 4″ W40.704167, -73.917778
73 with a remainder of 9 or 73.9 tens.
73
73
73
It is in the tens place
73.9 or 73 with a remainder of 9.
73 x .15 = 10.95
Rounded to the nearest 10, 73 is approximately equal to 70.
100