Question

Test the following numbers for their divisibility using the divisibility rule.
a) 2132 divisible by 2
bj 3139 divisible by 3
c) 3290 divisible by S
d) 2421 divisible by 4
the factor tree method​

Answer 1

Answer:

1. 2132 is divisible by 2 because it has the even number in the unit place.

2. 3139 is not divisible by 3 because the sum of their digits that is 3+1+3+9 = 16 which is not a multiple of 3.

3. 3290 is divisible by 5 because it has 0 in its unit place.

4. 2421 is not divisible by 4 because the number in the tens and units place that is 21 is not divisible by 4.

Answer 2

Answer:

a) 2132 is divisible by 2 because the last digit is 2

b) 3139 is not divisible by 3 because we should add the total numbers ,3139 = 16 so 16 Is not divisible by 3

c) 3190 is divisible by 5 because the last digit is 0

d) 2421 is not divisible by 4 because the last digit is 1 so 1 not divisible by 4 .