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 CIE IGCSE Maths Standard Form with exam-style questions for Core and Extended tier. 23 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) 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.