the length of a piece of string is 9cm, rounded to the nearest cm. what is the lower bond of the length of the peice of string

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

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

15: 24

62.5%

step-by-step explanation: