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katlynlove8
So when it says: r(10) and r=8.2, it's basically saying the r(which equals 8.2) is multiplied by 10! So all you would do it take 8.2(Which is r) and multiply it by 10! You can use a calculator for this if you would like too! Or you could just use mental math! The answer would be 82!! 

The value of the algebraic equation r(10) when r is equal to 8.2 when solved gives; 82

How to Carry out Algebraic Multiplication?

We are told that the algebraic equation is; r(10)

What that means is that r is multiplied by 10.

Now, since r is a variable that can change, we are told that r = 8.2.

Thus;

r(10) at r = 8.2 gives;

8.2 * 10 = 82

Read more about Algebraic Multiplication at; https://brainly.com/question/10873737

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