Question 28
Encircle the odd one of the following:
(a) (−9)×5×6×(−3)
(b) 9×(−5)×6×(−3)
(c) (−9)×(−5)×(−6)×3
(d) 9×(−5)×(−6)×3
(a) (−9)×5×6×(−3)=(−45)×(−18)=810
(b) 9×(−5)×6×(−3)=(−45)×(−18)=810
(c) (−9)×(−5)×(−6)×3=45×(−18)=−810
(d) 9×(−5)×6×(−3)=(−45)×(−18)=810
So the odd one is option (c).