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A81 Hex in Binary

Converting a hexadecimal number to binary without a calculator involves converting each hexadecimal digit to its 4-bit binary equivalent. Here's a step-by-step guide for hexadecimal numberA81:

Step 1: Convert Each Hexadecimal Digit to Binary

Convert each hexadecimal digit to its 4-bit binary equivalent:

A₁₆ = 1010₂

8₁₆ = 1000₂

1₁₆ = 0001₂

Step 2: Write Down the Binary Digits

Write down the binary digits obtained from each hexadecimal digit:

A81₁₆ = 101010000001₂

So, the binary representation of the hexadecimal number A81 is 101010000001.

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