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Step-by-step explanation

1. Parse source and target bases

Read the input value and bases: CA from base 16 to base 10.

2. Convert to base 10

Expand the number by place values in base 10: 12·161
+ 10·160 = 202.

3. Convert to target base

Convert 202 from base 10 into base 10 to get 202.

Why learn this

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Base conversion is foundational for computer science, digital systems, and number theory.

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