Write 7.25 × 10-5 as an ordinary number.
Write 4 billion in standard form.
Calculate (3.2×107)×(4×10−2)(3.2 \times 10^7) \times (4 \times 10^{-2})(3.2×107)×(4×10−2)
Give your answer in standard form.
Practise Edexcel GCSE Maths Standard Form with exam-style questions for Foundation and Higher tier. 93 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.