The exact value for the density of aluminum is 2.699g/cm3 . Working in the science lab at school , Joseph finds the density of a

Question

timofeeve [1]

3 years ago

5

The exact value for the density of aluminum is 2.699g/cm3 . Working in the science lab at school , Joseph finds the density of a

piece of aluminum to be 2.75 g/cm3 . what is Joseph percent error?(Round to the nearest hundredths)

Mathematics

1 answer:

Dennis_Churaev [7] · Answer 1 · 2022-02-27T22:11:16+03:00

Dennis_Churaev [7]3 years ago

4 0

The formula for percent error is: (M-A)/A x 100
M= the amount of the sample measured
A= the exact value of the sample
And the value of M-A is always positive
So, 2.75-2.699= .051g/cm3, and .051/2.699=.01889
.01889 x 100=1.889% or 1.9% error