Write 9.1 × 10-6 as an ordinary number.
Write 15 million in standard form.
Calculate (4.5×10−4)×(6×109)(4.5 \times 10^{-4}) \times (6 \times 10^9)(4.5×10−4)×(6×109)
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.