Show that a speed of 45 m s-1 is greater than a speed of 160 km h-1.
Practise Edexcel GCSE Physics Converting units, significant figures and standard form with exam-style questions for Foundation and Higher tier. 12 questions, matched to the Edexcel GCSE Physics (1PH0) specification and written in Paper 1 and Paper 2 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.