Question

State whether True or False. Give reason for your answer.
A number having 7 at its unit’s place will have 3 at the unit’s place of
its square.

Answer 1

Answer:

False, 2, use your calculator

Answer 2

SOLUTION

TO CHECK

State whether True or False. Give reason for your answer.

A number having 7 at its unit’s place will have 3 at the unit’s place of its square.

EVALUATION

Step : 1

First consider the unit digit of given number

The unit digit of given number = 7

Step : 2

Now square the unit digit

Here square of unit digit = 7 × 7 = 49

Step : 3

Now unit digit of the resulting number is the required number

Here unit digit of 49 = 9

CONCLUSION

A number having 7 at its unit’s place will have 9 at the unit’s place of its square.

FINAL ANSWER

Hence the given statement is FALSE

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

$1.$ If the units digit of a number is 0, then tens digit of square of that number is

b) 0

c)2

d) 3

https://brainly.in/question/31940922

2. Find the smallest number by which 7776 is to be divided to get a perfect square?

https://brainly.in/question/5848935