Register
Arianna measured a line to be 9.9 inches long. If the actual length of the line is 7.8 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
194k views
21 votes
Arianna measured a line to be 9.9 inches long. If the actual length of the line is 7.8 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

User Beggarman
by
3.3k points

2 Answers

7 votes
Theoretical value:75
Observed value:100
User James Youngman
by
2.7k points
4 votes

Answer: 26.9%

Explanation:

9.9-7.8=2.1

(2.1/ 7.8) •100=26.9

User Mariel
by
3.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.5m questions

4.5m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
Simplify: 10 ÷ [(5 + 2) − 5]
WHAT IS 33 TIMES 5 TELL ME THE ANWER
At the beginning of a population study, a city had 240,000 people. Each year since, the population has grown by 9.7%. Lett be the number of years since start of the study. Let y be the city's population.
Link Copied!