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Rounding and Decimal Places

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In many instances exact numbers are not necessary or even desirable. In those circumstances approximations are given. Rounding is one form of approximation. A number can also be approximated to a given number of decimal places (d.p.) This refers to the quantity of numbers written after a decimal point.

Approximations, Rounding revision

Rounding to nearest 10
Rounding to decimal places

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