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, 2009

Algebra Difficulty 1.0 Junior Find the answer Canada

What is the value of $(-1)^5 - (-1)^4$ ?

(A) $-2$ (B) $-1$ (C) $0$ (D) $1$ (E) $2$

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.