1. Students who chew gum have better math test scores than those who do not, a study found.
2.There are 177,147 ways to tie a tie, according to mathematicians.
3.Multiplying 21978 by 4 reverses the order of the numbers: 87912.
4.Mathematician Paul Erdos could calculate in his head, given a person's age, how many seconds they had lived, when he was just 4 years old.
5.111,111,111
x
111,111,111
=
12,345,678,987,654,321.
6. Zero is the only number that can’t be represented in Roman numerals.
7. (6 × 9) + (6 + 9) = 69.



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That's number 1 though