Answer
$162,409$
Work Step by Step
...write $403^{2}$ as the square of a binomial.
$=(400+3)^{2}$
...square the binomial.
$=400^{2}+2(400)(3)+3^{2}$
...simplify.
$=160,000+2400+9$
...simplify.
=$162,409$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-4 Multiplying Soecial Cases - Practice and Problem-Solving Exercises - Page 508: 23
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.
