Question

divisibility test by 5 and 10​

Answer 1

Answer:

The Rule for 5: Number that are divisible by 5 must end in 5 or 0. For this rule we just look at the last digit: 34,780. The last digit is a 0, so this number is divisible by 5. ... The Rule for 10: Numbers that are divisible by 10 need to be even and divisible by 5, because the prime factors of 10 are 5 and 2.

Answer 2

Answer:

for 10, check if the last digit is 0 or not

if it's 0, then it's divisible by 10

for 5, check for both 5 and 0 to be the last digit

if the last digit is 0 or 5, then it's divisible by 5, else not