Mathematics A 9-1 4MA1: Numbers and The Number System Topical Past Paper Questions

(a) Write $ 5.76 \times 10^{4} $ as an ordinary number. (b) Work out $ \frac{3 \times 10^{5} + 8 \times 10^{3}}{4 \times 10^{-2}} $ Give your answer in standard form

Use algebra to show that $ 0.763 = \frac{42}{55} $ 2 marks

Show that $ \frac{2\sqrt{3}}{\sqrt{3}-1} $ can be written in the form $ a + \sqrt{a} $ where a is an integer. Show your working clearly.