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OpenStudy (anonymous):
will medal Multiply. –3 • 7 = A. –21 B. –11 C. 11 D. 21
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pooja195 (pooja195):
Start by mutliplying without thinking about the signs 7 x 3=?
OpenStudy (anonymous):
21
pooja195 (pooja195):
Good now you need to know the multiplication rules negative times a negative= positive <---solution negative times a positive=negative <---solution So would we add the negative sign to the answer?
OpenStudy (anonymous):
yes thank you I understand its -21 can you help more I have 4 more
pooja195 (pooja195):
Yes i can! Post them :-)
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OpenStudy (anonymous):
ok
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