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Three measurements are, $a = 25.6, b = 21.1 a n d c = 2.43$ . Find the value $a - b - c$ to correct significant figures.

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2.0

2.1

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3.1

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detailed solution

Correct option is B

a-b-c = 25.6-21.1-2.43= 2.07 = 2.1

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Three measurements are, a=25.6, b=21.1 and c=2.43. Find the value a-b-c to correct significant figures.

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Ready to Test Your Skills?

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Three measurements are, $a = 25.6, b = 21.1 a n d c = 2.43$ . Find the value $a - b - c$ to correct significant figures.