Given that 3−n=0.23^{-n} = 0.23−n=0.2 Find the value of (3n)2(3^n)^2(3n)2
Practise CIE IGCSE Maths Fractional and Negative Indices with exam-style questions for Core and Extended tier. 32 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.