Maths, Approximation: A piece of A4 paper is 21.1 cm by 29.7 cm measured to the nearest 0.1 cm. What are the lower and upper bounds of its area, in square centimetres, to 1 dp?

Question

A piece of A4 paper is 21.1 cm by 29.7 cm measured to the nearest 0.1 cm. What are the lower and upper bounds of its area, in square centimetres, to 1 dp?

John Booth · Accepted Answer

624.1cm squared to 629.2cm squared

Maths, Approximation

A piece of A4 paper is 21.1 cm by 29.7 cm measured to the nearest 0.1 cm. What are the lower and upper bounds of its area, in square centimetres, to 1 dp?

624.1cm squared to 629.2cm squared

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