Answer
$\frac{65}{27}$
Work Step by Step
Basic Algebra.
$1+\frac{2}{3}+\frac{4}{9}+\frac{8}{27}=\frac{27}{27}+\frac{18}{27}+\frac{12}{27}+\frac{8}{27}=\frac{65}{27}$
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