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2009 CEMC Pascal Problems/Problem 6

Revision as of 12:25, 7 September 2025 by Anabel.disher (talk | contribs) (Created page with "==Problem== What is the value of <math>(-1)^5 - (-1)^4</math>? <math> \text{ (A) }\ -2 \qquad\text{ (B) }\ -1 \qquad\text{ (C) }\ 0 \qquad\text{ (D) }\ 1 \qquad\text{ (E) }\...")
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Problem

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

$\text{ (A) }\ -2 \qquad\text{ (B) }\ -1 \qquad\text{ (C) }\ 0 \qquad\text{ (D) }\ 1 \qquad\text{ (E) }\ 2$

Solution

Using order of operations, we have:

$(-1)^5 - (-1)^4 = -1 - (-1)^4 = -1 - 1 = -2$

~anabel.disher

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