The difference between the largest 5-digit number and smallest 5-digit number is:

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90000

89999

99998

89998

answer is B.

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Detailed Solution

Concept- In mathematics, the only single symbol used to represent a number is a digit. For instance, there are two digits in the number 89: 8 and 9. As a result, in everyday life, digits like 0, 1, 2, 3, 4, 5, 6, 7, 8, and 0 are employed to represent groups of numbers and perform mathematical operations.
Computer science prefers to use the term "digits." These digits are referred to as numerical digits or occasionally just numbers in mathematics. The smallest and biggest one-digit numbers are 1 and 9, respectively.
The largest 5-digit number without any other condition is simply Five 9s i.e., 99999.
The smallest 5-digit number without any other condition is the one, just after the largest 4-digit number.
The Largest 4-digit number without any other condition is 9999,
And Hence, the smallest 5-digit number is (9999+1) =10000
The biggest 5-digit number and the smallest 5-digit number differ by
(99999 – 10000) = 89999.
Hence, the correct answer is option 2) 89999.

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