What is the 10's complement of the decimal number 20100?
2018
What is the 10's complement of the decimal number 20100?
Answer: C. 79900 — The 10's complement of a decimal number N with n digits is calculated as 10^n - N. For the number 20100, which has 5 digits, n=5, so we calculate 10^5 -…
- A.
79899
- B.
89999
- C.
79900
- D.
79800
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Correct answer: C
The 10's complement of a decimal number N with n digits is calculated as 10^n - N. For the number 20100, which has 5 digits, n=5, so we calculate 10^5 - 20100. This equals 100000 - 20100, resulting in 79900.
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