Higher November 2019 Paper 4 Q2
2 Use the formula \(F = \dfrac{s}{\sqrt{tm}}\) to find the value of \(F\) when
\(s = 5.8 \times 10^6\)
\(t = 4.1 \times 10^8\)
\(m = 3.7 \times 10^{-2}\).
Give your answer in standard form, correct to 2 significant figures. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(1.5 \times 10^3\) | 4 | B3 for 1500 or 1.50[0] × 103 or 1.48[9..] × 103 or 1.49 × 103 or B2 for 1489.1… or M1 for \(\frac{5.8 \times 10^6}{\sqrt{4.1 \times 10^8 \times 3.7 \times 10^{-2}}}\) and M1 for writing their answer correct to 2s.f. and in standard form | implied by 3894.8… or 3894.9 need to see where their answer comes from e.g. longer figure or a simple fraction |