How does a mach number work?

A number is prime if is has exactly two unique positive factors, the number 1 and itself. E.g. 5, 7 and 11 are all prime numbers. The number 1 is not prime. However, 15, for example, is not prime...

Add them all together, then divide by the number of the amount of numbers. Say you wanted the mean of 2, 3, and 4. You would add 2, 3, and 4 then divide by 3, because there are 3 numbers.

Physicists, Mathematicians, most scientists, companies that work with statistics and Math teachers are a few examples of people who work with numbers.

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Hi there, this is SadieRocks11 here and i will answer your question about atoms. If you will get a periodic table you will find hundreds of types of atoms and it will tell you the nyumber of atoms in...