1.

Find the unit digit of 1549101 + 654120

Answer»

1549101 + 654120

In 1549101, the unit digit of base 1549 is 9 and power is 101 (odd power).

Therefore, unit digit of the 1549101 is 9.

In 654120, the unit digit of base 6541 is 1 and power is 20 (even power).

Therefore, unit digit of the 654120 is 1.

∴ Unit digit of 1549101 + 654120 is 9 + 1 = 10

∴ Unit digit of 1549101 + 654120 is 0.



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