Mathematics, 26.01.2020 23:31 natnerd4671

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)

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