Respuesta :
The numbers 81, 27, and 45 are all multiples of 3 and 9.
The multiple of a number is the value of the multiplication of a number and another number. For example, the multiple of 3 is 6.
In order to determine the multiples of the numbers, the common factors of the numbers have to determined.
Factors of 81 = 1, 3, 9, 27, 81.
Factors of 27 = 1, 3,9 and 27
Factors of 45 = 1, 3, 5, 9, 15, 45.
Common factors = 3 and 9
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