Given that 5−n=0.55^{-n} = 0.55−n=0.5 Find the value of (5n)3(5^n)^3(5n)3
Practise Edexcel IGCSE Maths Fractional and Negative Indices with exam-style questions for IGCSE Maths. 32 questions, matched to the Edexcel IGCSE Maths (4MA1) 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.