Which of the two readings is more accurate - 7.0 or 7.00?

Explanation

To determine which of the two readings, 7.0 or 7.00, is more accurate, we need to analyze the precision of each measurement.

### Step 1: Understand the concept of significant figures
Significant figures are the digits in a number that contribute to its precision. The more significant figures a number has, the more precise it is considered to be.

### Step 2: Analyze the readings
- The reading **7.0** has **two significant figures**. The digit '7' is significant, and the '0' indicates precision to one decimal place.
- The reading **7.00** has **three significant figures**. Here, both '7's and the '0' are significant, indicating precision to two decimal places.
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