sashandange
sashandange
12-10-2021
Mathematics
contestada
Can someone help me plz
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novastar9
novastar9
12-10-2021
The answer should be 4. Take note of the pattern of unit digits of 2^n.
2^1 = 2
2^2 = 4
2^3 = 8
2^4 = 16
2^5 = 32
Every 4 powers, it rotates 2, 8, 6, 4. Since 2020 is divisible by 4, the answer is 4.
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