What is 10's complement?


What is 10's complement?

10's Complement of a Number:

To find 10's complement of a number, N, that has d digits, we need to subtract {eq}10^d {/eq} with N. For example, we have a number of three digits, abc, then the 10's complement of abc {eq}10^d - abc {/eq}.

Answer and Explanation:

10's complement of a number, N that has d digits, is {eq}10^d - N {/eq}

Example 1.

10's complement of 783 is

{eq}10^3 - 783 \quad \text{[783 has 3...

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Learn more about this topic:

Complement of a Set in Math: Definition & Examples

from Supplemental Math: Study Aid

Chapter 1 / Lesson 7

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