Homework Help: algebra

Posted by sally on Friday, January 22, 2010 at 5:55pm.

calculated area of a room is 174.2 square feet and the actual area is 149.6
the question was 'What is the relative error of the area to the nearest ten-thousand?'

Im confused about what is relative error and how can i get that?

algebra - bobpursley, Friday, January 22, 2010 at 6:00pm
relative error = (observed-true)/true * 100 that is in percent.

Don't multiply by 100 if you want the decimal fraction. The way your question is worded, it doesn't want want percent...which is unusual, nearly always one uses percent in relative error.

Answer this Question

Related Questions

math - a house has two rooms of equal area. one room is square and the other ...
algebra - In a particular house,the bedrooms take up 1/3 of the total floor area...
college - the area A of a triangle is calculated as A= 1/2 hB. If the height h ...
math - A square pyramid has a surface area of 202 ft2 and a base area of 53 ft2...
algebra - A rectangular room measures 13 ½ feet long by 22 ¼ feet ...
algebra - The actual room has an area of 166ft2 and one of the sides, s, ...
Math - Julie is digging a square area in her backyard for a vegetable garden. If...
math - In a particular house,the bedrooms take up 1/3 of the total floor area, ...
math - . Susan's room is 9 feet long. The area of the room is 54 square feet...
math - Sam is going to tile a rectangular room that has an area of 64 square ...

For Further Reading

First Name:
School Subject:
Answer: