Find the number of significant figures in the 4200

Explanation

To determine the number of significant figures in the number 4200, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the number**: The number given is 4200.

2. **Understand significant figures**: Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and any trailing zeros in the decimal portion.

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