7. 3/4 points Previous Answers SerCP10 1.P.012 My Notes Ask Your Teacher The rad

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7. 3/4 points Previous Answers SerCP10 1.P.012 My Notes Ask Your Teacher The radius of a circle is measured to be (12.0 ± 0.4) m. Calculate each of the following and give the uncertainty in each value (a) the area of the circle 452.39 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mm m ± 0.5026548246 X (b) the circumference of the circle 75.398 m2 ± 2.513 m2 Need Help? Read it Read It Submit Answer Save Progress Practice Another Version

Explanation / Answer

First of all we will find the percentage of radius
0.4/12*100 = 3.333
since area = Pi(R)2
therefore area percentage = 2*3.333
therefore
Uncertainity in area = (2*3.3333 )/100 * Area = 30.15928

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