Which of the below completes the following sentence: 4 400 is divisible by .
Use divisibility rules:
is divisible by 2 because the units digit is 0.
is not divisible by 3 because , and 8 is not divisible by 3.
is divisible by 5 because its units digit is 0.
is divisible by 10 because its units digit is 0.
Therefore, is divisible by 10, 5, and 2.