Eddie and Ellen use a calculator to work out 431.114.3+3.82\displaystyle \frac{431.1}{14.3 + 3.8^2}14.3+3.82431.1
Eddie's answer is 1.5
Ellen's answer is 15
One of those answers is correct.
Use approximations to find out which answer is correct.
Hence, write down the value of
862.214.3+3.82 \frac{862.2}{14.3 + 3.8^2} 14.3+3.82862.2247 exam-style questions on OCR GCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.