Inactive Tutor answered • 09/04/16
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The powers of 2 end in 2, 4, 8, 6, 2, 4, 8, 6,.....
4000 / 4 = 1000, so the cycle is completed 1000 times.
The one's digit is 6.
Tricia M.
asked • 09/04/16What is the ones ( or units) digit in 2^4000
What is the ones ( or units) digit in 2^4000
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