Question

what will be the units digit of the square of the following number 432,2857,5909,83245​

Answer 1

Given:

• Some numbers are given to us ,

1. 432
2. 2857
3. 5909
4. 83245.

To Find :

• The units digit of these numbers when we square the numbers.

Answer:

Now have a look at this table before proceeding,

$\begin{tabular} {c|1} Units\: digit &Units\:digit\:after\: squaring \\\cline{1-2}\\ 1&1\\2&4\\3&9\\4&6\\5&5\\6&6\\7&9\\8&4\\9&1\\0&0 \end{tabular}$

Now from the table it's clear that what will be units digit after squaring .

i) Here the units digit is 2 .So the units digit after squaring is 4.

ii) Here the units digit is 7 .So the units digit after squaring is 9.

iii) Here the units digit is 9 .So the units digit after squaring is 1.

iv) Here the units digit is 5 .So the units digit after squaring is 5.

Answer 2

Given:

Some numbers are given to us ,

432

2857

5909

83245.

To Find :

The units digit of these numbers when we square the numbers.

Answer:

Now have a look at this table before proceeding,

Now from the table it's clear that what will be units digit after squaring .

i) Here the units digit is 2 .So the units digit after squaring is 4.

ii) Here the units digit is 7 .So the units digit after squaring is 9.

iii) Here the units digit is 9 .So the units digit after squaring is 1.

iv) Here the units digit is 5 .So the units digit after squaring is 5.