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If number of significant digits of axx 3...

If number of significant digits of `axx 3a` is 3, then which of the following is true? (where a is whole number)

A

a=0

B

`0 le a le 9`

C

`0 lt a lt 9`

D

`0 lt a le 9`

Text Solution

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The correct Answer is:
D
Number of significant digits of `axx 3axx` is 3. ltbr. `:'` a cannot be 0
`:' 0 lt a le 9` and a `in` N.
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