Figure it out - Page 253, 254
Figure it out - Page 253, 254
Last updated at October 8, 2025 by Teachoo
Transcript
Question 4 What are a. –5 + 0 b. 7 + (–7) c. –10 + 20 d. 10 – 20 e. 7 – (–7) f. –8 – (–10)?a. – 5 + 0 –5 + 0 = –5 b. 7 + (– 7) 7 + (– 7) = 7 – 7 = 0 c. – 10 + 20 – 10 + 20 = 20 – 10 = 10 d. 10 – 20 10 – 20 = –20 + 10 Taking – common = –(20 – 10) = –10 e. 7 – (– 7) 7 – (– 7) = 7 + 7 = 14 f. – 8 – (– 10) –8 – (– 10) = –8 + 10 = 10 – 8 = 2