Question

unit digit of 2019^2019​

Answer 1

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Answer 2

The unit digit of 2019^2019​ is 1.

Given:

2019^2019​

To Find:

The unit digit of 2019^2019​.

Solution:

We are required to find the unit digit of 2019^2019​.

• The unit digit is the digit in one's place of the number.

• For example: In a number 779, 9 is the unit digit.

For bigger number powers we can find the unit digit easily by following simple steps.

We have to find the unit digit of the square of 2019(2019^2019​).

For that, we have to square the unit digit(9) of 2019 and the unit digit of the following answer is the unit digit of 2019^2019.

⇒9 is the unit digit of 2019.

⇒9×9 = 81

Therefore, The unit digit of 2019^2019​ is 1.

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