Write 0.000 054 376 in standard form.
Write 4.15 × 106 as an ordinary number.
Work out 4.1×105×7.3×1042×10−6\displaystyle \frac{4.1 \times 10^5 \times 7.3 \times 10^4}{2 \times 10^{-6}}2×10−64.1×105×7.3×104
Practise Edexcel IGCSE Maths Standard Form with exam-style questions for IGCSE Maths. 23 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.