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