subject
Mathematics, 14.05.2021 17:40 awsome12dusk

Helen draws a random circle. She then measures its diameter and circumference.
She gets a circumference, C, of 405mm correct to 3 significant figures.
She gets a diameter, d, of 130mm correct to 2 significant figures.
Helen wants to find the value of π using the formula π=C÷d
Calculate the lower bound and upper bound for Helen's value of π.
Give your answers to 3 decimal places.​

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2
Answers: 1
question
Mathematics, 21.06.2019 23:00
Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone
Answers: 1
question
Mathematics, 22.06.2019 05:00
100 points and 1- -12=y-36 2- x/25=-25 3- -n=40
Answers: 1
question
Mathematics, 22.06.2019 05:00
Apply the distributive property to write an expression that is equivalent to 5h + 2hsquared2.
Answers: 1
You know the right answer?
Helen draws a random circle. She then measures its diameter and circumference.
She gets a circ...
Questions
question
Social Studies, 07.07.2019 05:00
question
Social Studies, 07.07.2019 05:00
question
Biology, 07.07.2019 05:10