Question

Q 8/60 The most uncertain digit in measurement of
length reported as 21.47 cm is

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Answer 1

Explanation:

Given The most uncertain digit in measurement of  length reported as 21.47 cm is  

• In this question we need to find the most uncertain digit in the measurement of the length reported.
• The measurement of length is reported as 21.47 cm
• So let y = 21.47
• Now the last digit is 7
• So there are 2 digits 2 and 1 at left side. So we have 2 digits and along with it we have 4.  
• So 2 + 1 = 3 significant figures are 2, 1 and 4.

Therefore the last digit 7 will be neglected and hence 7 will be the uncertain digit.

Reference link will be

https://brainly.in/question/1329078