Question

what is a number??why it is important for us?
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Answer 1

Step-by-step explanation:

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Answer 2

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A number is a mathematical object used to count, measure, and label. The original examples are the natural numbers 1, 2, 3, 4, and so forth. ... Calculations with numbers are done with arithmetical operations, the most familiar being addition, subtraction, multiplication, division, and exponentiation.

Numbers are important. Whether costs, revenues, performance, targets – most people agree that numbers are important. Interpretation of these numbers is key; the numbers can influence decisions related to performance, investments and effectiveness among other things.