Algebra 1SuperchallengeFoundations ShareFoundations · Superchallenge problemEvaluate 1⋅2−2⋅3+3⋅4−4⋅5+⋯−98⋅99+99⋅1001\cdot 2 - 2\cdot 3 + 3\cdot 4 - 4\cdot 5 + \cdots - 98\cdot 99 + 99\cdot 1001⋅2−2⋅3+3⋅4−4⋅5+⋯−98⋅99+99⋅100.Check Show answer Walk through it step by step Practice more like this Review this concept