What is the number 75.66852 rounded off to 5 significant digits?

Category: QuestionsWhat is the number 75.66852 rounded off to 5 significant digits?
Editor">Editor Staff asked 1 year ago

What is the number 75.66852 rounded off to 5 significant digits?
 
(a) 75.67
 
(b) 75.669
 
(c) 75.668
 
(d) 75.667
 
This question was posed to me during an interview for a job.
 
This question is from Significant Figures topic in portion Units and Measurements of Physics – Class 11
Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 1 year ago

Right option is (b) 75.669
 
To elaborate: The answer is 75.669. 52 rounds of to 5 and hence 852 rounds of to 850 which in turn rounds of to 900. Hence the final answer becomes 75.669.


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