CUIZ-FACT-73D47FB9
hard
Mathematics
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What is the unit digit of 2^100?
Verified Answer
2
Quiz Options
- 2
- 4
- 6
- 8
Explanation & Context
The unit digits of powers of 2 follow a cycle: 2, 4, 8, 6. Since 100 is divisible by 4 (100 = 4 * 25), the unit digit will be the same as the 4th digit in the cycle, which is 6.
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"Which is the unit digit of 2^100?"
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