Work out 3.2×106×4.5×1038×10−4\displaystyle \frac{3.2 \times 10^6 \times 4.5 \times 10^3}{8 \times 10^{-4}}8×10−43.2×106×4.5×103
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.