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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 Pi
using the formula pi=C/D
Calculate the lower bound and upper bound for Helen's value of it.
Give your answers correct to 3 decimal places.​

Answer 1

Answer:

pig in the world of the world of the day of a girl in the