THE MULTIPLE OF 3 ARE: 3 , 6 , 9 ,12
The 1st magazine costs either 3 or 6 or 9 , 12
The 2nd magazine costs <span>3 or 6 or 9 , 12
The value 12 is to be discarded , then are the sum of tall possibilities to get 12:
</span>mag 1st mag 2nd total
------------ ------------ --------
3 9 12
6 6 12
9 3 12
Just multiply 20 x 30 and you get 600 and that is your answer :3<span />
Answer:
An expression that represents repeated multiplication of the same factor is called a power. The number 5 is called the base, and the number 2 is called the exponent. The exponent corresponds to the number of times the base is used as a factor.
Step-by-step explanation:
