Question

C (Each question carries 3 marks)
1. Simplify: (i) 12 + 3 – [5 – {2+ 4- (8-7)}]
(ii) Evaluate:(-1) (-1) (-1) (-1) (-1) (-1) (-1)​

Answer 1

Answer:

i)15

Step-by-step explanation:

i)12+3-[5-{2+4-(8-7)}]

12+3-[5-{2+4-1}]

12+3- [5-5]

12+3-0

15

Answer 2

Step-by-step explanation:

answer is in the picture