Let's check every option:
[tex]10\frac{2}{3}=\frac{32}{3}\approx10.667[/tex]
A.
[tex]10\frac{2}{3}\times\frac{9}{10}=9.6<10.667[/tex]
This option is correct
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B.
[tex]1\times10\frac{2}{3}=10.667=10.667[/tex]
This option is not correct.
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C.
[tex]10\frac{2}{3}\times2\frac{1}{3}\approx24.888>10.667[/tex]
This option is not correct
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D.
[tex]\frac{1}{8}\times10\frac{2}{3}\approx1.33<10.667[/tex]
This option is correct
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E.
[tex]10\frac{2}{3}\times\frac{3}{5}=6.4<10.667[/tex]
This option is correct
Answer:
A
D
E
