Intermediate November 2020 Unit 1 Q3
3.
(a) Calculate each of the following.
(i) \(3^3 \times 10^2\) [2]
(ii) \(0{\cdot}4 \times 0{\cdot}2\) [1]
(iii) \(\dfrac{4}{9} + \dfrac{5}{18}\) [2]
(b) Write down the value of 0·0493, correct to 1 significant figure. [1]
| Scheme | Marks | Comments |
|---|---|---|
| (i) 2700 | B2 | B1 for sight of 27 OR sight of 100. Mark final answer. |
| (ii) 0·08 | B1 | Mark final answer |
| (iii) Correctly using a common denominator. | M1 | |
| \(\dfrac{13}{18}\) or equivalent. | A1 | Mark final answer. |
| Scheme | Marks | Comments |
|---|---|---|
| 0·05 | B1 |