Find the number of significant figures in the following physical quantities:
(i) 5.506 cm (ii) 0.0509 kg (iii) 08.0075 s.

Explanation

To find the number of significant figures in the given physical quantities, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the first quantity: 5.506 cm**
- This number contains the digits 5, 5, 0, 6.
- According to the rules of significant figures:
- Non-zero digits (5, 5, 6) are always significant.
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