What will be the last digit in the expansion of 138^7 ?
a. 8
b. 2
c. 6
d. 4
Answer:
The correct answer is 2 as 8^7 will end in 2 as per cyclicity patterns.
a. 8
b. 2
c. 6
d. 4
Answer:
The correct answer is 2 as 8^7 will end in 2 as per cyclicity patterns.
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