Solution - Base conversion

2, 004

2,004

Step-by-step explanation

${(7 D 4)}_{16} = b a s e 10$

Identify the source number, source base, and target base before converting through base 10.

${(7 D 4)}_{16} = 7 \cdot 16^{2} + 13 \cdot 16^{1} + 4 \cdot 16^{0}$

$7 \cdot 16^{2} + 13 \cdot 16^{1} + 4 \cdot 16^{0} = 2004$

Expand each digit by place value: $7 \cdot 16^{2}$
+ $13 \cdot 16^{1}$
+ $4 \cdot 16^{0}$ . This gives $2, 004$ in base 10.

$\frac{2004}{10} = 200 r e m a \in d e r 4$

$\frac{200}{10} = 20 r e m a \in d e r 0$

$\frac{20}{10} = 2 r e m a \in d e r 0$

$\frac{2}{10} = 0 r e m a \in d e r 2$

$4 \to 0 \to 0 \to 2 = 2004$

$2004 (b a s e 10) = {(2004)}_{10}$

Repeatedly divide $2, 004$ by $10$ , collect remainders, and read them in reverse to get $2, 004$ .

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