Register
How do I demonstrate that the digits of a perfect square cannot add up to 2,3,5,6,or8?
176k views
4 votes
How do I demonstrate that the digits of a perfect square cannot add up to 2,3,5,6,or8?

User Bardr
by
6.9k points

1 Answer

4 votes
2^2=4
3^2=9
4^2=16 (1+6=7)
5^2=25 (2+5=7)
6^2=36 (3+6=9)
7^2=49 (4+9=13)
and so on and so forth.
User Joel McBeth
by
6.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.4m questions

9.9m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
whats the most accurate estimation of 65+77
What is 25% of 500.00
Dennis had a piece of rope that was 2.7 m long. He cut the rope into 3 equal pieces. Was each piece of rope greater than or less than 1 m?
Link Copied!