There are 30 students in a class.
A teacher is going to choose one student to be the class monitor and a different student to be the library helper.
How many different ways are there of doing this?
Practise Edexcel GCSE Maths The Product Rule for Counting with exam-style questions for Foundation and Higher tier. 68 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.