4400 Higher November 2006 Paper 4 Q13

(a) Write the number 78 000 000 in standard form. (1)

(b) Write \(4 \times 10^{-3}\) as an ordinary number. (1)

(c) Work out the value of \(\dfrac{3 \times 10^{-2}}{8 \times 10^9}\)
Give your answer in standard form. (1)