holetzky99 holetzky99

20-12-2014
Mathematics

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What's expanded form for 74.21

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Аноним Аноним

20-12-2014

[tex]74.21=70+4+0.2+0.01\\\\or\\\\74.21=7\cdot10^1+4\cdot10^0+2\cdot10^{-1}+1\cdot10^{-2}[/tex]

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20-12-2014

7*10^1+4*10^0+2*10^-1+1*10^-2

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