Figure it out - Page 259
Last updated at October 9, 2025 by Teachoo
Transcript
Question 2 (f) Evaluate the following using tokens. (f) (–2) – (+7)We do follow these steps First make –2 using tokens We have to remove 7 positive tokens But we have only negative tokens So, we add 7 pairs of positive and negative tokens We can do that because (+1) + (–1) = 0 Now, remove 7 positive tokens Remaining tokens is our answer ∴ (–2) – (+7) = (–9)