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For a chemistry class, a student's grades are weighted as follows: quizzes are 30%, exams are 40%, and the final exam is 30%.   If a student scored 90, 75, and 80 on the quizzes, exams, and final respectively, calculate the student's final grade. Express your answer to three significant figures

For a chemistry class, a student's grades are weighted as follows: quizzes are 30%, exams are 40%, and the final exam is 30%.   If a student scored 90, 75, and 80 on the quizzes, exams, and final respectively, calculate the student's final grade. Express your answer to three significant figures

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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For a chemistry class, a student's grades are weighted as follows: quizzes are 30%, exams are 40%, and the final exam is 30%.
 

If a student scored 90, 75, and 80 on the quizzes, exams, and final respectively, calculate the student's final grade. Express your answer to three significant figures.

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