Work out the value of 23×225\displaystyle \frac{2^3 \times 2}{2^5}2523×2
Hence, work out the value of 23×225+12\displaystyle \frac{2^3 \times 2}{2^5}+\frac{1}{2}2523×2+21
296 exam-style questions on OCR GCSE Maths Indices. Each one has a worked solution and a mark scheme showing where the marks go.