The accepted value of a length measurement is 200 cm, and the experimental value is
198cm. calculate the percent error.
2%
-2%
1%
-1%

Percent error = -1%

Explanation:

Given data:

Accepted value = 200 cm

Experimental value = 198 cm

Percent error = ?

Solution:

Formula:

Percent error = [Experimental value - accepted value / accepted value]×100

Now we will put the values:

Percent error = [198 cm - 200 cm /200 cm] ×100

Percent error = -0.01×100

Percent error = -1%

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explanation: