please solve the second one
Attachments:
Answers
Answered by
20
2. To check whether 61479 is divisible by 9 or not :
81 = 9×9
81 =3×3×3×3
Hence if the number is divisible by 81 then it should be divisible by 3 also
Divisibility test for 3 is that the sum of all the digits in the number should be divisible by 3.
6+1+4+7+9
= 27
__________________________
As 27 is divisible by 3, hence the number 61479 is divisible by 81
------------------------------------------------
81 = 9×9
81 =3×3×3×3
Hence if the number is divisible by 81 then it should be divisible by 3 also
Divisibility test for 3 is that the sum of all the digits in the number should be divisible by 3.
6+1+4+7+9
= 27
__________________________
As 27 is divisible by 3, hence the number 61479 is divisible by 81
------------------------------------------------
Answered by
2
Answer:
Step-by-step explanation:
=61479/81
=759
so, 61479 is divisible by 81
Similar questions