PLZ HELP QUICK ILL MARK BRAINLEIST!!!
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Recall that, to get the inverse relation of any expression, we start off by doing a quick switcharoo on the variables, then we solve for "y".
Basically if you have an exponent at the end of a 10, 
, then in the end the extended notation is going to have 7 zeros. So it'll be 10000000. Then you multiply whats in the rest of the equation together. There's the beginning :) I hope it helps.