Question

how to find unit digit of a number ?​

Answer 1

$\huge\red{AnSWeR}$

FIRST OF FALL ,

MAKE A GROUP

NO.=>xyzn

IN FIRST GROUP ONLY 3 NO. CAN COME=> yzn

IN SECOND GROUP=>x

SO,UNIT DIGIT WILL BE NO.$(n)^3$

U NEED TO TAKE CUBE OF n than u will find..

Answer 2

Answer:

FIRST OF FALL ,

MAKE A GROUP

NO.=>xyzn

IN FIRST GROUP ONLY 3 NO. CAN COME=> yzn

IN SECOND GROUP=>x

SO,UNIT DIGIT WILL BE NO.(n)^3(n)3

U NEED TO TAKE CUBE OF n than u will find..