Claudio needs to simplify the given expression. the fraction with numerator 3 point 5 times 2 plus 9 and denominator open paren 7 point 1 plus 0 point 5 close paren plus 4 Which operation should he perform first?

First simplify the operation inside the parentheses in the denominator: 7.1 + 0.5. Parentheses take priority over multiplication, addition, and any other operations outside them, so Claudio should perform 7.1 plus 0.5 first. That is choice A.

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