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​Q9: Answers – Paper 3 – June 2018
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Working
a) Work out the value of T.
Give your answer in standard form correct to 3 significant figures

w is increased by 10%
d is increased by 5%

​Lottie says,
“The value of T will increase because both w and d are increased.”

b) Lottie is wrong.
​Explain why
Question
9)
a) Work out the value of T.
Give your answer in standard form correct to 3 significant figures
[2 marks]

w is increased by 10%
d is increased by 5%

​Lottie says,
“The value of T will increase because both w and d are increased.”

b) Lottie is wrong.
​Explain why
[2 marks]