Foundation January 2021 Paper 2 Q20
20
(a) Write down the value of \(y^0\) (1)
(b) Work out \(\;\dfrac{9.6 \times 10^{141} + 6.4 \times 10^{140}}{3.2 \times 10^{16}}\)
Give your answer in standard form. (3)
Give your answer in standard form. (3)
| Scheme | Marks |
|---|---|
| 1 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(3 \times 10^{125} + 2 \times 10^{124}\) or digits \(1024 \times 10^n\) oe | M1 |
| \(32 \times 10^{124}\) or \(3 \times 10^{125} + 0.2 \times 10^{125}\) or \(30 \times 10^{124} + 2 \times 10^{124}\) | M1 |
| \(3.2 \times 10^{125}\) | A1 |
| (3) | |
| (4 marks) |
Notes
M1: oe ‘correct’ answer in incorrect form.