Is 21,408 divisible by 2yes or nois 21,408 divisible by 5yes ir nois 21,408 divisible by 10yes or no

A number is divisible by 2 if the last digit is: 0,2,4,6,8

A number is divisible by 3 if the sum of its digits are divisible by 3.

A number is divisible by 4 if the last two digits are divisible by 4.

A number is divisible by 5 if the last digit is 0 or 5.

A number is divisible by 6 if the number is divisible by both 2 and 3.

A number is divisible by 8 if the last three digits are divisible by 8.

A number is divisible by 9 if the sum of its digits is divisible by 9.

A number is divisible by 10 is the last digit is 0.

equal to

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.