In 3100 there are 310 tens.
3100 of them.
There are 49,600 ounces in 3100 pounds.
3100 mi. = 4988.966 km
3100 meters = 3,390.2 yards.
3100/100 = 31
1000 g = 1 kg ⇒ 3100 g = 3100 ÷ 1000 kg = 3.1 kg
1000 of them.
30000 of them.
15
2
3.2 of them.
40