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How do you work out if a number is a prime number?
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...
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What is a work sheet or a work book?
Is grid of columns ,rows and cells
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How do you work out the mean number of a range of numbers?
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.
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Who works with 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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What numbers do computers actually work with?
Computers primarilary work with the Binary numbering system (0 and 1) which is known as Base 2.