4MA0 Higher June 2017 Paper 3 Q12
12
(a) Write 0.000 451 in standard form. (1)
(b) Work out \(\dfrac{7.8 \times 10^5}{2.4 \times 10^{-4}}\)
Give your answer in standard form. (2)
Give your answer in standard form. (2)
| Scheme | Marks |
|---|---|
| \(4.51 \times 10^{-4}\) | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \(\dfrac{780000}{0.00024}\) | M1 |
| \(3.25 \times 10^9\) | A1 |
| (2) | |
| (3 marks) |
Notes
M1: for 3250000000 oe (e.g. \(325 \times 10^7\)) or
\(3.25 \times 10^{5 - -4}\) oe or
\(3.25 \times 10^n\) where \(n\) is an integer