Multiplication is the process of multiplying. The integer that represents the change in your points is -12.
Multiplication is the process of multiplying, therefore, adding a number to itself for the number of times stated. For example, 3 × 4 means 3 is added to itself 4 times, and vice versa for the other number.
Given you lose four points each time you attend gym class without sneakers. Now, since you are losing the points, therefore, losing points will be considered negative. Also, you forget your sneakers three times. Therefore, the number of points you lose is,
Number of points you lose
= Number of points lose per day × Number of times you forgot sneakers
= -4 points per game × 3
= -12 points
Hence, the integer that represents the change in your points is -12.
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