At 4 p.m., the temperature started to change drastically. Each hour, for three hours, the temperature decreased by 7°F. Which expression best shows another way to write the product for the temperature change?
7 + 7 + 7
7 + 7 + 7 + 7
(Negative 1) (7 + 7 + 7)
(Negative 7) + (Negative 7) + (Negative 7) + (Negative 7)