rheeganmae rheeganmae

20-11-2017
Mathematics

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Clara estimates that the length of a hiking trail is 10 km. She later learns that its actual length is 12 km.

What is the percent error in Clara's estimate?

.002%

8.0%

0.2%

11.5%

Respuesta :

shinmin shinmin

30-11-2017

Experimental value = 10 km
accepted value = 12 km

Step 1: Deduct the accepted value from the experimental value.

10 km – 12km = -2 km

Step 2: Take the absolute value of step 1

|--2km| = 2km

Step 3: Divide that answer by the accepted value. 2km/10km = 0.2%

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