Question

(b) 23 - 42
(d) (-10) + (-10)2 + (-10)
(1) (-1) 16 + (-1)36 + (-1) + (-1)54​

Answer 1

i ) ( - 1 ) × 19

ii ) ( - 10 ) + ( - 10 ) 2 + ( - 10 )

- 10 - 20 - 10

- 30 - 10

- 40

iii ) ( - 1 ) 16 + ( - 1 ) 36 + ( - 1 ) + ( - 1 ) 54

- 16 - 36 - 1 - 54

- 52 - 1 - 54

- 53 - 54

- 107

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