find the product of -5(20)... old person trying to learn new things... don't understand this please

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The term "product" refers to the answer that you get when you multiply two numbers together.  So you are being asked to multiply -5 by 20.

So then what you need to do is first just multiply 5 by 20.  That, as you know, is 100.

But you have to remember that you have a negative sign in front of your 5.  When you multiply a negative by a positive, the rule is that your product must be negative.

So when you mulitply -5 by 20, you just take 5 times 20, which is 100, and put a negative sign in front of it.

So -5(20) = -100

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