Intermediate November 2016 Unit 1 Q14
14. Find, in standard form, the value of each of the following.
(a) \(\dfrac{7{\cdot}5 \times 10^6}{5000}\) [2]
(b) \((2{\cdot}3 \times 10^3) + (6{\cdot}4 \times 10^4)\) [2]
| Scheme | Marks | Comments |
|---|---|---|
| \(1{\cdot}5 \times 10^3\) | B2 | If B2 not awarded, B1 for sight of 1500. OR B1 for 1·5 × 10n from a denominator of 5 × 103 seen. OR B1 for a × 103 with 1 ≤ a < 10 from a denominator of 5 × 103 seen. |
| Scheme | Marks | Comments |
|---|---|---|
| \(6{\cdot}63 \times 10^4\) | B2 | B1 for 6·6(….)× 104 if B2 not awarded. B1 for any correct answer but not in standard form. |