In Problems 20-25, use the sum formulas I-V to express each of the following without the summation symbol. In Problems 20-23, find the numerical value.
Finite Mathematics
Precalculus: Mathematics for Calculus (Standalone Book)
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Calculus: Early Transcendentals
Calculus: An Applied Approach (MindTap Course List)
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Single Variable Calculus
Calculus: Early Transcendental Functions
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Probability and Statistics for Engineering and the Sciences
Essentials Of Statistics
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Finite Mathematics and Applied Calculus (MindTap Course List)
Calculus (MindTap Course List)
Understanding Basic Statistics
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Single Variable Calculus: Early Transcendentals, Volume I
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Elementary Technical Mathematics
Contemporary Mathematics for Business & Consumers
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Elementary Geometry For College Students, 7e
Elements Of Modern Algebra
Finite Mathematics for the Managerial, Life, and Social Sciences
Calculus of a Single Variable
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Single Variable Calculus: Early Transcendentals
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Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Introduction To Statistics And Data Analysis
Study Guide for Stewart's Multivariable Calculus, 8th
Mathematics For Machine Technology
Research Methods for the Behavioral Sciences (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
STATISTICS F/BUSINESS+ECONOMICS-TEXT
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Multivariable Calculus
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Discrete Mathematics With Applications
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Mathematics: A Practical Odyssey
Essentials Of Statistics For Business & Economics
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Calculus Volume 2
Calculus Volume 1