The expansion of (-3) × (-2)3
= – 3 × – 2 × – 2 × – 2 (0.5 marks)
= – 3 × – 8 (0.5 marks)
= 24
The expansion of (-2)3 × (-10)3
= – 2 × – 2 × – 2 × – 10 × – 10 × – 10 (0.5 marks)
= – 8 × – 1000 (0.5 marks)
= 8000