1.

Find the unit digit of 124128 x 126124

Answer»

In 124128, the unit digit of base 124 is 4 and the power is 128 (even power). 

Therefore, unit digit of 124128 is 4. 

Also in 126124, the unit digit of base 126 is 6 and the power is 124 (even power). 

Therefore, unit digit of 126124 is 6.

Product of the unit digits = 6 x 6 = 36 

∴ Unit digit of the 124128 x 126124 is 6.



Discussion

No Comment Found