Question

which of the following numbers would end with digit 1? 609 sq (b) 327sq​

Answer 1

Answer:

609²

Would end with the number one because 9x9=81

81 ends with 1.

Answer 2

Step-by-step explanation:

the unit place of 609 =9

the square of 9=81

the unit place =1

therefore the square of 609 ends with 1

the unit place of 327 =7

square of 7 =49

unit place =9

therefore the square of 327 does not end with 1 ,it ends with 9