Decision Making: Matthew received a fax giving him the dimensions of the rectangular living room in his new apartment. The dimensions given were 3.76m x 5.49m. He used his calculator to work out the area and got 2.06 m2. Do you think this answer is correct?
His answer is incorrect. If we round the dimensions, 3.76 m is almost 4 m, and 5.49 m is almost 5.5 m. 4 × 5.5 = 22. So his answer should be close to 22 m².