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​Q19: Question – Paper 3 – June 2019

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Content:

• ​Using LB & UB – Part 1
• Using LB & UB – Part 2​

Quizzes:

• Using LB & UB

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Question

19) 

a) Calculate the upper bound for the value of D.
Give your answer correct to 6 significant figures.
​You must show all your working.

[3 marks]​​

​The lower bound for the value of D is 78.6003 correct to 6 significant figures.
b) By considering bounds, write down the value of D to a suitable degree of accuracy.
You must give a reason for your answer.

[2 marks]​​

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