Foundation June 2017 Paper 2 Q15
15
(a) Write \(4.7 \times 10^{-1}\) as an ordinary number. (1)
(b) Work out the value of \((2.4 \times 10^3) \times (9.5 \times 10^5)\)
Give your answer in standard form. (2)
Give your answer in standard form. (2)
| Answer | Mark | Notes |
|---|---|---|
| 0.47 | B1 |
| Answer | Mark | Notes |
|---|---|---|
| \(2.28 \times 10^9\) | M1 | for correct value but not in standard form, eg \(22.8 \times 10^{3+5}\), \(228 \times 10^7\), 2 280 000 000 or for \(2.28 \times 10^n\), \(n \ne 9\) |
| A1 | cao |