The length of one rod is `2.53 cm` and that of the other is `1.27 cm`. The least count of the measuring instrument is `0.01 cm`. If the two rods are put together end to end , find the combined length.

Explanation

To find the combined length of the two rods when placed end to end, we will follow these steps:

### Step 1: Identify the lengths of the rods
- The length of the first rod (L1) is given as **2.53 cm**.
- The length of the second rod (L2) is given as **1.27 cm**.

### Step 2: Calculate the combined length
- The combined length (L) of the two rods can be calculated using the formula:
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