There are 20 3's in the number range 1 to 100. 3, 13, 23, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 43, 53, 63, 73, 83, 93.
The 11th century was from 1st January 1001 to 31st December 1100 (inclusive).
The sum of the positive integers from 1,000 to 1,100 inclusive is: 106,050
28 3s
9
4
16
37.6666667
1100 grams = 2.425 pounds
About 27.8 acres.
1100 grams = 1.1 kilograms.
1100 mm = 110 centimeters
There is 3608.924 feet in 1100 meters