-3
Three distinct prime factors, eight total.
4,536 whole numbers or mixed numbers. 5,040 pure decimals.
Seven of them.
2240
-3
Just 36.
The mean is the is the total of the numbers and then dividing by how many numbers.
It is the total sum of the numbers divided by how many there are
There are only 5 distinct combinations of 4 numbers.(1234, 1235, 1245, 1345, 2345) C = 5! / 4!But there are 120 distinct combinations in distinct order (i.e. 24 ways to order each abcd).abcdabdcacbdacdbadbcadcb
You add up all the numbers then divide by how many numbers you have total.
Infinitely many. More than all the rational numbers in total.
Nine million of them.