Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapter 2 Test: 6

Answer

$= -.56$

Work Step by Step

We follow order of operations, so we first consider exponents, and then, starting on the left and going right, we do addition and subtraction. $=-0.4^{2} + 0.3^{2} - 0.7^{2}$ $= -0.16 + 0.09 - 0.49$ $= -.07-.49$ $=-.56$
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.