# Calculate the percent error in a length measurement of 4.43 cm if the correct value is 4.07 cm.

lemjay | High School Teacher | (Level 2) Senior Educator

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To solve, apply the formula:

| Approximate Value - Exact Value |
% error = ---------------------------------------  `xx` 100
Exact Value

So, plug-in Approximate Value= 4.43 and Exact Value=4.07.

`% error= |4.43-4.07|/4.07*100`

`%error=0.36/4.07*100`

`% error =8.85%`

Hence, the percent error is 8.85%  .
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