sav12345 sav12345
  • 02-04-2017
  • Chemistry
contestada

A student estimated a mass to be 250 g but, upon carefully measuring it, found the value to be 240 g. What is the percent error of the estimated mass if the measured value is the accepted one?
A. 4.0%
B. -4.2%
C. -4.0%
D. 4.2%

Respuesta :

penny99 penny99
  • 02-04-2017
The answer is D, i think.
Answer Link

Otras preguntas

An aquarium is leaking water at the rate of 3 quarts per day. How many fluid ounces of water is this each hour?
write 144 with an exponent by using 12 as the base
Last year, Melanie drove 1,200 miles on vacation, 8,850 miles to and from work, and 5,600 miles doing other activities. How many miles did Melanie drive in all?
14 thousands,58 tens, 17 ones in standard form
A sample of CO2(s) and a sample of CO2(g) differ in their1) chemical compositions2) empirical formulas3) molecular structures4) physical properties
What was the main aim of first continental congress?
which types of organisms are most likely to survive change in an ecosystem, those that have a narrow ecological niche or those that have a broad niche?
What is 6➗2+5+2✖3=24 in parenthesis
Write a sentence about different ways to show subtraction for a problem like 32-15
What were some arguments the Anti Federalists made against the Constitution?