Dear student,We know, for two positive integers a and b, a×(-b)=-(a×b)Now, i) 6×(-19)=-(6×19)=-114ii)12×(-32)=-(12×32)=-384iii)7×(-22)=-(7×22)=-154Regards!

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D e a r s t u d e n t, W e k n o w, f o r t w o p o s i t i v e i n t e g e r s a a n d b, a \times (- b) = - (a \times b) N o w, i) 6 \times (- 19) = - (6 \times 19) = - 114 i i) 12 \times (- 32) = - (12 \times 32) = - 384 i i i) 7 \times (- 22) = - (7 \times 22) = - 154 R e g a r d s!

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