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Mathematics 15 Online
OpenStudy (anonymous):

–3 • 7 = A. –21 B. –11 C. 11 D. 21

OpenStudy (jadeishere):

-21.

OpenStudy (jadeishere):

I'm not quite sure how to show my work for that

OpenStudy (anonymous):

negative times a positive is a negative.

OpenStudy (anonymous):

so -3x7=-21

OpenStudy (anonymous):

-21 is correct ans

OpenStudy (jadeishere):

The way you wrote that @Mr.Man420 looks as though there is 3 times a variable to the 7th power. Lol so -7 + -7 + -7 = -21

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