Find the value of
Answer to Problem 71S
Explanation of Solution
Given:
The expression:
Concept Used:
Sign Convention rule:
Negative (negative) = Positive; Positive (positive) = Positive;
Negative (positive) = Negative; Positive (negative) = Negative
When one number is positive and other number is negative, always do the subtraction and put the sign of the bigger number.
Calculation:
The expression:
When one number is positive and other number is negative, always do the subtraction and put the sign of the bigger number.
Here 2 is positive and 8 is negative, first do the subtraction of the numbers and put the sign of 8 as 8 is the bigger number. The answer will be negative.
Thus, the value of the expression
Chapter 3 Solutions
Algebra 1
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