What is the square of a number?
The square is when you multiply a number by itself. For example 4x4=16 or written like 4^2.
what is the Richter scale used to measure?
The answer is Earthquakes. You can remember that Richter is the last name, and the majority of hurricanes' names are first name basis.
What is 9x6?
The answer is 54. You use your fingers to help with this formula. You start at ten fingers, count to the sixth finger and put that finger down. You should have your left hand up( 5 fingers) and your right pinky down(4 fingers up). It should have looked like the number 54.