4MA0 Foundation January 2016 Paper 1 Q5
5 Here are the first five terms of a number sequence.
1 2 4 8 16
(a) Write down the next term of the sequence. (1)
(b) Explain how you found your answer. (1)
(c) Find the 10th term of the sequence. (1)
| Scheme | Marks |
|---|---|
| 32 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| reason | B1 |
| (1) |
Notes
B1: eg. doubled 16, \(2^{n-1}\)
| Scheme | Marks |
|---|---|
| 512 | B1 |
| (1) |
Notes
B1: accept \(2^9\)