Facts #7 - Math Facts

Today I will share some facts about Math.

1. 111,111,111 x 111,111,111 = 12,345,678,987,654,321
   

2. What's the volume of a pizza with radius Z and thickness A ? Well the answer is PIZZ*A

3. 1089 x 9 = 9801.

4. Ancient civilizations first used sexagesimal (base 60) instead of decimal (base 10), that is why minute has 60 seconds & circle has 360 degrees.

5. According to study students who chew gum have better math scores.

6. 2,520 is the smallest number that can be exactly divided by all the numbers 1 to 10.

7. According to mathematicians there are 177,147 ways to tie a tie.
   

8. Isaac Newton's Principia Mathematica contained a simple calculation error that went unnoticed for 300 years.
   

9. Eratosthenes accurately calculated Earth's circumference using math, without ever leaving Egypt 2200 years a go.

10. 1 divided by 998001 gives a complete sequence from 000 to 999 in order.