Write 3.08 × 10-5 as an ordinary number.
Write 5 million in standard form.
Calculate (6.3×105)×(2.5×10−2)(6.3 \times 10^5) \times (2.5 \times 10^{-2})(6.3×105)×(2.5×10−2) Give your answer in standard form.
Practise OCR GCSE Maths Standard Form with exam-style questions for Foundation and Higher tier. 93 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.