Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises: 37

Answer

126

Work Step by Step

Step 1: Work inside parentheses first: (3 +9) = 12 4(3^2)+ 7 (12)-(-6) Step 2: Apply exponent: 3^2 = 3 * 3= 9 4(9) + 7(12) – (-6) Step 3: Multiplication and division from left to right 4 * (9) = 36 36 + 7(12) – (-6) Now multiply 7 * (12) = 84 36 + 84 – (-6) Step 4: Addition and subtraction from left to right 36 + 84 = 120 To separate a negative number from a minus sign: 120 – (-6) = 126
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.