Question

1. What is approximation? Write down the rules for rounding off​

Answer 1

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Approximation is the process of using rounding to determine a fairly accurate value. Rounding off is the process of making a number less exact, but easier to work with, by adjusting it to a specific digit or multiple of ten: We round down for the digits 0, 1, 2, 3, 4, by keeping the next digit to the left the same...

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