Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

2009 CEMC Pascal Problems/Problem 6

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

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=2009_CEMC_Pascal_Problems/Problem_6&oldid=259894"