Find the exact value of the following.
2 answers:
- x*y =
-(-75.9) * 2.6
- (-197.34)
197.34
Answer: 197.34
Answer:
197.34
Step-by-step explanation:
In algebraic expressions, sign notation is an important element. Below are some notations that should be engaged;
- × - = +
- × + = -
+ × + = +
- × + = -
As such, to find -xy where x = -75.9 and y = 2.6
-xy = -(-75.9) × 2.6 (since - × - = +)
= 75.9 × 2.6
= 197.34
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