Question

if a number is divisible by both 9 and 10.it must be divisible by 90​

Answer 1

Answer:

Yes because it is a divisible rule of 90 that if a number is divisible by both 9 and 10.it must be divisible by 90

Answer 2

Step-by-step explanation:

coz the common factors are always multiples so obviously the 90 is multiple of both 9 and 10 ie there are common factors