Answer
$[H+]=1.14\times10^{-6}$
Work Step by Step
$$[H+][OH-]=1.0\times10^{-14}$$
$[H+][8.8\times10^{-9}]=(1.0\times10^{-14})$
$[H+]=(1.0\times10^{-14})/[8.8\times10^{-9}]$
$[H+]=(1.4\times10^{-6}) M $
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