1+2=3
2+1=3
3-2=1
3-1=2
and so on. u can have many groups of numbers this was just 1 example
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Fact families are 3 numbers that are related, just as the people in a family are related. They make a set of related math facts.
its a composite numbe
It really depends on who you're asking....
Math is constantly used in accounting. In fact, math is used in accounting more than anything else. Without a strong background in math, you will not be able to be an accountant.