Write 0.000 063 84 in standard form.
Write 3.27 × 107 as an ordinary number.
Work out 2.4×105×3.5×1042×10−6\displaystyle \frac{2.4 \times 10^5 \times 3.5 \times 10^4}{2 \times 10^{-6}}2×10−62.4×105×3.5×104, giving your answer in standard form.
261 exam-style questions on OCR GCSE Maths Standard Form. Each one has a worked solution and a mark scheme showing where the marks go.