Question

Using divisibility tests, determine which of the following numbers are divisible by 3: a) 329724 b) 897503

Answer 1

Answer:

Decimal numbers with fraction parts do not follow the divisibility tests. ... The rules are used to determine if numbers are divisible by 3 or 9. Start ... b. Decompose the expression to factor by . ( + ) + ( + ) + .

Answer 2

Answer:

you need to check if the sum of digits is an multiple of 3

Step-by-step explanation:

only option a is the right answer