The average is 50 1/2. You can do it without actually adding them up. Pair them off: {100 & 1}, {99 & 2}, {98 & 3}, . . . . , {51 & 50}. The average of each of these pairs is 50 1/2, [average of each pair is 101 / 2= 50.5] so the average of all of them is 50 1/2
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The largest composite integer before 100 is 99 - its positive integer factors are 1, 3, 9, 11, 33, 99.
a negative integer or a fraction (as in 1/integer) or a negative fraction (as in -1/integer).
The least positive integer is 1. Any integers less than 1 aren't positive.
The positive integers are {1, 2, 3, 4, 5, ...}. The smallest one is 1.
Should be 50! Every odd integer is 1 less than the corresponding even integer and there are 50 of each in 100...