Evaluate the following expressions and use estimation to show that your answers are reasonable. (a) -209 x 72 (b) 67 +23 x 8 (c) 25 x (57 +94) (d) 9² - 63 ÷ 9 (e) √53 (f) 4³+√32
Evaluate the following expressions and use estimation to show that your answers are reasonable. (a) -209 x 72 (b) 67 +23 x 8 (c) 25 x (57 +94) (d) 9² - 63 ÷ 9 (e) √53 (f) 4³+√32
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Evaluate the following expressions and use estimation to show that your answers
are reasonable.
(a) -209 x 72
(b) 67 +23 x 8
(c) 25 x (57+94)
(d) 9² - 63 ÷ 9
(e) √53
(f) 4³+√32
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