Helen draws a random circle.
She then measures its diameter and circumference.
She gets a cir...
Mathematics, 08.06.2021 14:00 izzyisawesome5232
Helen draws a random circle.
She then measures its diameter and circumference.
She gets a circumference, C, of 405 mm correct to 3 significant figures.
She gets a diameter, d, of 130 mm correct to 2 significant figures.
Helen wants to find the value of n using the formula 1 =-
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Calculate the lower bound and upper bound for Helen's value of it.
Give your answers correct to 3 decimal places.
Answers: 2
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