The diameter of Neptune is 5.0 × 104 km The diameter of Mars is 6.8 × 103 km
Calculate the difference between the diameter of Neptune and the diameter of Mars. 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.