Write 7.24 × 105 as an ordinary number.
Write 0.0063 in standard form.
Calculate (6.3×102)÷(4.2×10−3)(6.3 \times 10^2) \div (4.2 \times 10^{-3})(6.3×102)÷(4.2×10−3) Give 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.