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# Form 3 Mathematics Approximations and Errors Questions and Answers

The radius of a circle is given as 2.8 cm to 2 significant figures. (a) If C is the circumference of the circle ,determine the limits between which C/pi lies . (b) By taking 𝜋 to be 3.142,find ,to 4 significant figures ,the limits between which the circumference lies.

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