Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - 10-3 Operations with Radial Expressions - Standardized Test Prep - Page 618: 65



Work Step by Step

The area of a triangle is $\frac{1}{2}bh$, where b is the length of the base and h is the height. $\frac{1}{2}bh\longrightarrow$ substitute the given values =$\frac{1}{2}(2.1\times10^3)(4.2\times10^2)\longrightarrow$ multiply the digit terms and add the exponents. =$\frac{1}{2}(8.82\times10^5)\longrightarrow$ multiply =$4.41\times10^5$
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