Find each of the following products:

(a) 3 × (–1)


(b) (–1) × 225


(c) (–21) × (–30)


(d) (–316) × (–1)


(e) (–15) × 0 × (–18)


(f) (–12) × (–11) × (10)


(g) 9 × (–3) × (– 6)


(h) (–18) × (–5) × (– 4)


(i) (–1) × (–2) × (–3) × 4


(j) (–3) × (–6) × (–2) × (–1)

(a) We have,


3 × (-1) = - 3


(b) We have,


(-1) × 225 = - 225


(c) We have,


(-21) × (-30) = -21 × -30


= 630


(d) We have,


(-316) × (-1) = - 316 × - 1


= 316


(e) We have,


(-15) × 0 × (-18) = - 15 × 0 × -18


= 0 × - 18


= 0


(f) We have,


(-12) × (-11) × 10 = 12 × -11 × 10


= 12 × - 110


= - 1320


(g) We have,


9 × (-3) × (-6) = 9 × -3 × -6


= - 27 × - 6


= 162


(h) We have,


(-18) × (-5) × (-4) = - 18 × - 5 × - 4


= 90 × - 4


= - 360


(i) We have,


(-1) × (-2) × (-3) × 4 = -1 × -2 × -3 × 4


= 2 × - 12


= - 24


(j) We have,


(-3) × (-6) × (-2) × (-1) = -3 × -6 × -2 × -1


= 18 × 2


= 36


12