Base conversion — Convert the hexadecimal number 16 (base 16) to its decimal (base 10) value.

Introduction / Context:
Quick and accurate base conversion helps when reading datasheets, addresses, and register contents. The number 0x16 must be converted to decimal using the place-value method for base 16.

Given Data / Assumptions:

• Hex digits: 1 and 6.
• Positional weights: 16^1 and 16^0.
• 16^1 = 16, 16^0 = 1.

Concept / Approach:
Multiply each digit by its positional weight and add the results. In hex, the leftmost digit has the higher power of 16 and the rightmost digit is multiplied by 1.

Step-by-Step Solution:

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