4MA0 Higher June 2013 Paper 3R Q12
12
(a) Write as an ordinary number
(i) \(4.2 \times 10^6\)
(ii) \(3.82 \times 10^{-4}\)
(2)(b) Here are three numbers written in standard form.
Arrange these numbers in order of size.
Start with the smallest number.\[5.6 \times 10^{-7} \qquad 8.6 \times 10^{-9} \qquad 5.64 \times 10^{-8}\] (2)
Arrange these numbers in order of size.
Start with the smallest number.\[5.6 \times 10^{-7} \qquad 8.6 \times 10^{-9} \qquad 5.64 \times 10^{-8}\] (2)
| Scheme | Marks |
|---|---|
| (i) 4200000 | B1 |
| (ii) (0).000382 | B1 |
| (2) |
| Scheme | Marks |
|---|---|
| \(8.6 \times 10^{-9}\quad 5.64 \times 10^{-8}\quad 5.6 \times 10^{-7}\) | B2 |
| (2) |
Notes
B2: B1 for smallest or largest in correct position