A boy measures the length of a pencil and expresses it to be 2.6 cm. What is the accuracy of his measurement ? Can he write it as 2.60 cm ?

Explanation

To determine the accuracy of the boy's measurement of the pencil's length as 2.6 cm, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Measurement**: The boy measures the length of the pencil and records it as 2.6 cm. In measurements, the accuracy refers to how close a measured value is to the actual value, while precision refers to the detail of the measurement.

2. **Significant Figures**: The number 2.6 cm has two significant figures. The digit '2' and '6' are both significant. The trailing zero in a number (like in 2.60) indicates precision but does not change the value.

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