There is a stack of five identical books. The height of the stack is measured to be 8.6 cm, correct to the nearest 0.1 cm. Find the lower limit and upper limit of the height of five books.
Solution
Hints:
8.55 cm to 8.65 cm
The measurement is to the nearest 0.1 cm, so the error is \\pm 0.05 \\text{ cm}. Lower limit = 8.6 - 0.05 = 8.55 \\text{ cm}, upper limit = 8.6 + 0.05 = 8.65 \\text{ cm}.