Given that 3−n=0.23^{-n} = 0.23−n=0.2, find the value of (3n)2(3^n)^2(3n)2
Practise OCR GCSE Maths Fractional and Negative Indices with exam-style questions for Foundation and Higher tier. 128 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.
