A bus travels $$\(440 \mathrm{~km}\)$$, correct to the nearest $$\(10 \mathrm{~km}\)$$. The time taken to complete the journey is 6 hours, correct to the nearest half hour. Calculate the lower bound of the speed of the bus. .................................... $$\(\mathrm{km} / \mathrm{h}\)$$
Exam No：0580_w21_qp_42 Year：2021 Question No：8(b)
Answer:
\(69.6\)
Knowledge points:
E1.10.1 Give appropriate upper and lower bounds for data given to a specified accuracy. (e.g. measured lengths.)
E1.10.2 Obtain appropriate upper and lower bounds to solutions of simple problems given data to a specified accuracy. (e.g. the calculation of the perimeter or the area of a rectangle.)
Solution:
Download APP for more features
1. Tons of answers.
2. Smarter Al tools enhance your learning journey.
IOS
Download
Download
Android
Download
Download
Google Play
Download
Download