Answer
(a) 23
(b) -30
(c) -2
Work Step by Step
Using the rules of algebra, we obtain:
(a) $15 - (- 8) = 15 + 8 = 23$
(b) $-8 + (-22) = - 8 - 22
= - 30$
(c) $4*(-2) + 6
= -8 + 6
= -2$
General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
by Timberlake, Karen C.
Published by
Pearson
ISBN 10:
0321967461
ISBN 13:
978-0-32196-746-6
Chapter 1 - Chemistry in Our Lives - 1.4 Key Math Skills for Chemistry - Questions and Problems - Page 18: 1.17
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
