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​Q20: Question – Paper 5 – June 2018

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Content:

• Part A) Raising a Power to Another Power
• Part A) Putting Number into Indices – Part 1
• Part A) Putting Number into Indices – Part 2
• ​Part B) Rationalising Denominators – Part 1
• Part B) Rationalising Denominators – Part 2​

Quizzes:

• Part A) Raising a Power to Another Power
• Part A) Putting Numbers Into Indices
• Part B) Rationalising Denominators

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Question

20) In the following equation, n is an integer greater than 1.

a)
i) Find k when n = 7. 

[2 marks]​​

ii) Find n when k = 64.

[2 marks]​

​b) Show that

can be written in the form

[5 marks]​

Show answers