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October 21, 2014

October 21, 2014

Posted by **keke** on Friday, May 25, 2012 at 9:59pm.

Select the correct answer.

4*10^1+9*10^0+8*10^-1+7*10^-2+8*10^3

49.878

4.9878

498.78

87.894

PAGE

- Math -
**Reiny**, Friday, May 25, 2012 at 10:16pm4*10^1+9*10^0+8*10^-1+7*10^-2+8*10^3

= 40 + 9 + 8/10 + 7/100 + 8/1000

= 49 + .8 + .07 + .008

= 49.878

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