The decimal to 690 it’s going to be 6.9
Hello!
We have the following expression:

Let's multiply and simplify it, look:

We multiply a*a*a, so we can rewrite it as a³. The same with b*b as b².
So, the answer in the simplified form is:
6a³ + 4b²
I don’t how to answer question
Where’s the graph? I will need it if I can help.
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