What are the parameters that are required to express a scalar and vector quantity?

Explanation

To express a scalar and vector quantity, we need to consider the following parameters:

### Step-by-Step Solution:

1. **Understanding Scalar Quantities**:
- A scalar quantity is defined by its magnitude alone.
- **Parameters Required**:
- **Physical Quantity**: This is the actual quantity being measured (e.g., distance, speed).
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