3 years ago

Find the exact value of the following.

Mathematics

2 answers:

katrin [286]3 years ago

6 0

- x*y =

-(-75.9) * 2.6

- (-197.34)

197.34

Answer: 197.34

yulyashka [42]3 years ago

4 0

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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