Question

the length of a string is 9 cm rounded to the nearest cm
what is the lower bound
what is the upper bound

Answer 1

Given:

The length of the string is 9 cm rounded to the nearest cm

To Find:

(i) The lower  bound

(ii) The upper bound

Explanation:

The lower bound is the shortest possible length of the string when rounded to the nearest cm gives you 9 cm.

The upper bound is the longest possible length of the string when rounded to the nearest cm gives you 9 cm.

Solution

Find the lower bound:

The number is 9 cm

lower bound = 8.5 cm

Find the upper bound

The number is 9 cm

upper bound = 9.4 cm

Answer: Lower Bound = 8.5 cm. Upper Bound = 9.4 cm

Answer 2

Answer:

lower bound: 8.5 cm

upper bound : 9.5 cm

Step-by-step explanation: