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0.1is 1/10 of what number?
0.09 is 1/10 of what number?

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n-a\ number\\\\(1)/(10)* n=0.1\ \ \ \ |multiply\ both\ sides\ by\ 10\\\\\boxed{n=1}\\\\(1)/(10)* n=0.09\ \ \ \ \ |multiply\ both\ sides\ by\ 10\\\\\boxed{n=0.9}
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