Question

EXERCISE 6.1 Mb
Write the unit's digits of the squares of the following
(al 02
e following numbers :​

Answer 1

Answer:

unit digits is 2 .i think it's help you then please mark me brain list and follow me

Answer 2

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Let's start

Question - Write the unit's digits of the squares of the following

(al 02

Answer -

Given to find the unit digit of 2 square

2*2= 4

Moreover

We can find the cyclicity of 2

By

2 to the power 1=2

". ". ". ". 2=4

". ". ". ". 3=8

". ". ". ". ". 4=16

". ". ". ". ". 5=32

"" "". "". ".". "". "". ". 6=64

Now see the number repeats of 2 every 4th term

You can check on you own too

Like to find the unit digit of

2^40

It will be

40/4=10

10/4=2 square

Hence 2 is the unit digit

Hope it helped