Concept explainers
Find the value of
Answer to Problem 70S
Explanation of Solution
Given:
The expression:
Concept Used:
Sign Convention rule:
When the two numbers are with same sign (positive or negative) always add the numbers and put their corresponding sign of the numbers (positive or negative)
Calculation:
The expression:
When the two numbers are with same sign (positive or negative) always add the numbers and put their corresponding sign of the numbers (positive or negative)
Here both the numbers are with negative first do the addition of the numbers and put their common sign. The answer will be negative.
Evaluate:
Thus, the value of the expression
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