4400 Higher June 2007 Paper 3 Q1
1
(a) Use your calculator to work out the value of \[\frac{(3.7 + 4.6)^2}{2.8 + 6.3}\] Write down all the figures on your calculator display. (2)
(b) Give your answer to part (a) correct to 2 decimal places. (1)
| Scheme | Marks |
|---|---|
| \(\dfrac{68.89}{9.1}\) | M1 |
| 7.5703... | A1 |
| (2) |
Notes
M1: for 8.3, 68.89, 9.1 or 30.90...
A1: Accept if first 5 figures correct
Also accept \(7\frac{519}{910}\), \(\frac{6889}{910}\)
| Scheme | Marks |
|---|---|
| 7.57 | B1 |
| (1) | |
| (3 marks) |
Notes
B1: ft from (a) if non-trivial ie (a) must have more than 2 d.p.