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The respective number of significant fig...

The respective number of significant figures for the numbers `23.023, 0.0003` and `2.1xx10^(-3)` are :

A

`4,4,2`

B

`5,1,2`

C

`5,1,5`

D

`5,5,2.`

Text Solution

Verified by Experts

The correct Answer is:
B
Here `23.023` has `5` significant digits ( embedded zero are significant)
`0.0003` only `1` significant digit. [ zero after decimal is insignificant if there is not non - zero digit before decimal place ]
`2.1xx10^(-3)` only `2` significant digits.
Hence correct choice is `(b)`.
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