Higher January 2022 Paper 1R Q8
8
(a) Write \(5 \times 10^4\) as an ordinary number. (1)
(b) Write 0.000 06 in standard form. (1)
(c) Work out \(\left(4 \times 10^{512}\right) \div \left(1.6 \times 10^{700}\right)\)
Give your answer in standard form. (2)
Give your answer in standard form. (2)
| Scheme | Marks |
|---|---|
| 50 000 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(6 \times 10^{-5}\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(2.5 \times 10^{512 - 700}\) or \(2.5 \times 10^n\) or \(0.25 \times 10^{-187}\) or \(p \times 10^{-188}\) where \(1 \leqslant p \lt 10\) | M1 |
| \(2.5 \times 10^{-188}\) | A1 |
| (2) | |
| (4 marks) |