Question

9. Test whether 3257 is divisible by 3 without actual division.(Apply the divisibility rule)
10. Express 36 as a product of their prime factors
11. Rewrite the following fractions in descending order.
10
3
5
7​

Answer 1

Answer:

9. Divisiblility test ofor 3:the sum of the digits present in the number must be divisible by 3

i.e. the number= 3257

=>3+2+5+7=17

Now 17 is not divisible by 3 hence 3257 is also not divisible by 3

10.36

prime factors= 3*2*2*3

11.

10,7,5,3