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alex measured the length of an item to be 3.9 cm. the actual length is 3.5 cm what is alex percent error ?

User Enadun
by
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1 Answer

11 votes

Answer:

11.42 %

Step-by-step explanation:

The formula for calculating percentage error

percentage error = observed value - actual value x 100

actual value

Percentage error = 3.9- 3.5 x 100

3.5

Percentage error = 0.4 x 100

3.5

Percentage error =0.1142 x 100

Percentage error = 11.42 %

User Morten Stulen
by
3.7k points