10|7-8|-7*7

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.4: Subtracting Real Numbers
Problem 30WE
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10|7-8|-7*7

Expert Solution
Step 1

Formula used:

|-a| = a

Step 2

We have

10|7-8| - 7*7

Simplify the above tem, we get

10|-1| - 49

Step 3

Simce |-1|=1     [using the formula]

So value of above term is

10(1) - 49

10 - 49

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