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  • Need clarity, kindly explain! - Some basic concepts in chemistry - JEE Main

How many significant digits does  4.60\times 10^{3} have?

  • Option 1)

    3

  • Option 2)

    4

  • Option 3)

    5

  • Option 4)

    2

 

Answers (1)

best_answer

In numbers written in scientific notation, all digits are significant. So, in ,4.60\times 10^{3} we have 4 significant digits.

 

Rules for significant figures -

In numbers written in scientific notation, all digits are significant e.g., 6.0 x 102  has two significant figures, and 8.656 × 10–3 has four significant figures.

-

 

 

 


Option 1)

3

This is correct.

Option 2)

4

This is incorrect.

Option 3)

5

This is incorrect.

Option 4)

2

This is incorrect.

Posted by

prateek

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