State the number of significant figures in each of the following numbers :
(i) `2.653 xx 10^4` ,(ii) 0.00368 (iii) 65.3 (iv) 0.368 (v) 0.0300.

Explanation

To determine the number of significant figures in each of the given numbers, we will analyze each number based on the rules of significant figures.

### Step-by-Step Solution:

1. **For the number `2.653 x 10^4`:**
- The digits are `2`, `6`, `5`, and `3`.
- All non-zero digits are significant.
- The exponential part (`10^4`) does not contribute to the count of significant figures.
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