📘 measurement, algebra
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Percentage Error
1. The problem states that the length of a sofa is measured as 100 cm to 2 significant figures.
2. This means the true length could be between 99 cm and 101 cm, since 100 cm rounde
Living Room Length
1. The problem states that on a plan drawn to a scale of 1:100, the length of a living room is 10 cm. We are asked to find the actual length in meters.
2. The scale 1:100 means tha