Question

Find the product of: a) -18 x -10 x 9.   b) -20 x -2 x -5 x 7        c) -1 x -5 x -4 x -6​

Answer 1

Answer:

$a) \: ( - 18) \times ( -1 0) \times 9 \\ \\ = 180 \times 9 \\ \\ = 1620 \\ \\ b )\: ( - 20) \times ( - 2) \times ( - 5) \times 7 \\ \\ = 40 \times ( - 5) \times 7 \\ \\ =( - 200) \times 7 \\ \\ = ( -1 400) \\ \\ c) \: ( - 1) \times ( - 5) \times (- 4) \times ( - 6) \\ \\ = 5 \times ( - 4) \times ( - 6) \\ \\ = ( - 20) \times ( - 6) \\ \\ = 120$

hope it helps uH