How many significant figures are there in the value `250xx10^10` m?

Explanation

To determine the number of significant figures in the value \(250 \times 10^{10}\) m, we will follow a systematic approach:

### Step 1: Identify Non-Zero Digits
In the number 250, the non-zero digits are 2 and 5.

- **Significant Figures Count**: 2 (from the digits 2 and 5)

**Hint**: Remember that all non-zero digits are considered significant.
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