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Chapter 6 Number Play - Part 6

What is the unit digit of 5^100?

Type: MCQ • Marks: 1
What is the unit digit of 5^100?
Options
A. 1
B. 5
C. 25
D. 0
Explanation
Any positive integer power of 5 always ends in the digit 5.
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Class 7th Ganita Prakash 1

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