Explain with an example of each situation where estimation is required.

Explanation

To explain situations where estimation is required, we can break down the concept into a few key points and provide examples for each.

### Step-by-Step Solution:

1. **Understanding Estimation**:
Estimation is the process of making an educated guess about a quantity or measurement when precise data is not necessary or available.

2. **Everyday Example - Cooking**:
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