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# Percentage Error

Welcome to class!

In today’s class, we will be talking about the percentage error. Enjoy the class!

###### GENERAL EVALUATION
1. The distance between two towns is 60km to the nearest km. (a) 5km (b) 0.5km     (c) 8.3km     (d) 0.83km
2. The area of a classroom is 400m2 to 2 s.f. (a) 50m2 (b) 1.25m2(c) 2.5m2     (d)  5m2
3. A salesgirl gave a girl a balance of N1.15 to a customer instead of N1.25, calculate the % error.
4. A student measured the length of a room and obtained the measurement of 3.99m if the percentage error of his measurement was 5% and his own measurement was smaller than the length, what is the length of the room? (a) 3.78m (b) 3.80m (c) 4.18m   (d) 4.20m
5. A man is 1.5m tall to the nearest cm, calculate his percentage error. (a)  0.05cm    (b) 0.33%   (c) 0.033%   (d) 0.05cm

In our next class, we will be talking about Arithmetic Progression.  We hope you enjoyed the class.

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