4MA0 Higher June 2012 Paper 4 Q11
11 The mass of the Space Shuttle is \(7.8 \times 10^4\) kilograms.
(a) Write \(7.8 \times 10^4\) as an ordinary number. (1)
The Space Shuttle docks with the International Space Station.
The mass of the International Space Station is \(4.62 \times 10^5\) kilograms.
(b) Calculate the total mass of the Space Shuttle and the International Space Station.
Give your answer in standard form. (2)
Give your answer in standard form. (2)
| Scheme | Marks |
|---|---|
| 78000 | B1 |
| (1) |
Notes
Apart from questions 5, 7, 13c, 16b, 20, 21 and 22 (where the mark scheme states otherwise) the correct answer, unless clearly obtained by an incorrect method, should be taken to imply a correct method.
| Scheme | Marks |
|---|---|
| \((4.62 \times 10^5) + (7.8 \times 10^4)\) | M1 |
| \(5.4 \times 10^5\) | A1 |
| (2) | |
| (Total 3 marks) |
Notes
M1: Intention to add correct values or digits 54
A1: Answer must be in standard form