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The length of a cube is 2.3 cm. What is its volume rounded off to 4 significant digits in cm^3?(a) 12.67(b) 12.167(c) 12.17(d) 13I have been asked this question by my college professor while I was bunking the class.This question is from Significant Figures topic in portion Units and Measurements of Physics – Class 11

Answer»

The correct ANSWER is (c) 12.17

Explanation: Volume of a cube is equaled to its LENGTH CUBED, therefore, required volume = 12.167 cm^3. The 67 in the END will be rounded off to 7, hence the final number becomes 12.17.



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