Question

(3×(-2))×5=?
(-9×4)×(-2,5)=?
(13×(-5))×20​=?​

Answer 1

(3*(-2))*5 = -6*5 = -30

(-9*4)*(-2,5) = -36*(-2,5) = 90

(13*(-5))*20 = -65*20 = -1300