ALGEBRA FOUNDATIONS PREALG.>NASTA ED.<
17th Edition
ISBN: 9780134650111
Author: Martin-Gay
Publisher: PEARSON
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Chapter E, Problem 21ES
To determine
To solve:the givenset of linearequationfor value of variable using matrices and mathematical methodologies.
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Round as specified
A) 257 down to the nearest 10’s place
B) 650 to the nearest even hundreds, place
C) 593 to the nearest 10’s place D) 4157 to the nearest hundreds, place
E) 7126 to the nearest thousand place 
Estimate the following products in two different ways and explain each method 
A) 52x39
B) 17x74
C) 88x11
D) 26x42
Find a range estimate for these problems
A) 57x1924
B) 1349x45
C) 547x73951
Chapter E Solutions
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