Foundation November 2020 Paper 2R Q3
3 Here are the first five terms of a number sequence.
1 3 9 27 81
(a) Find the next term of this sequence. (1)
(b) Explain how you found this term. (1)
The 9th term of this number sequence is 6561
(c) Find the 10th term of this sequence. (1)
| Scheme | Marks |
|---|---|
| 243 | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| Multiplying previous term by 3 | B1 |
| (1) |
Notes
B1: for multiplying previous term by 3 oe
“×3” or 81 × 3
| Scheme | Marks |
|---|---|
| 19 683 | B1 |
| (1) | |
| (3 marks) |
Notes
B1: cao