Question

What will be the unit digit of the cube of a number ending with 6?

Answer 1

Answer:

It ends with 6 .

Step-by-step explanation:

Example :-

(6)^3 = 216

Answer 2

Answer:

6 is the required unit digit of a number ending with 6.

Step-by-step explanation:

Explanation:

Given that , a cube of a number ending with 6

If we find out cube of number 6 then the value is 216 .

And here we see that last digit is 6 .

Step 1:

Therefore the required number is 216  ,

$6^1 = 6 , 6^2 = 36 = 6 , 6^3 = 216 = 6$

 So , the cyclicity of 6 is 1 .

And because of it last digit  is 6  , the unit digit is also 6 .

Final answer :

Hence , the unit digit of 216 is 6 .

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