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Why does it make sense numbers divisible by 10 and 2 are the same?
Any number that is divisible by 10 is an even number and hence divisible by 2 also. It can also be stated that because 10 is divisible by 2, all numbers divisble by 10 are also divisible by 2.
Are 14 and 63 divisible by the same number?
Yes they are. They are both divisible by 7. 14/2= 7 and 63/9=7
What is 16 over 120 in simplest form?
16 over 120, both nubers divisible by 2 so this is the same as 8 over 60, both numbers are divisible by 2 so this is the same as 4 over 30, both numbers are divisible by 2 so this is the same as 2 over 15. 2 is only divisible by 1 and 2 15 is only divisible by 1, 3, 5 and 15, so we can go no further 2 over 15 is the simplest form.
How can you know a number is divisible by 3?
add all the digits of the number and check if it is divisible by 3. eg-3321=3+3+2+1=9=divisible by three.the same works for 9.
Why isn't a number divisible by 8 if it divisible by both 4 and 2?
Look at 12. Not divisible by 8 but divisible by 4 and 2. Look at 4. Same thing. The equation 8x-4 will give you any number divisible by 4 and 2, but not 8 32 is divisable by all three. 8x4=32, 2x16=32
