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  • 03-06-2017
  • Mathematics
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Help me round to the nearest hundredth and say if it rational or irrational and show work pleased

Help me round to the nearest hundredth and say if it rational or irrational and show work pleased class=

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LAGRHA15 LAGRHA15
  • 03-06-2017
A). Cubed root of 1,728

Step 1: Make a factor tree.

                      1728                       (I'm sorry if this is hard to visualize)
              12                 144
        6           3       12         12
3            2            4    3     4    3
                         2   2       2   2

⇒  ∛12³ 
⇒ 12 

This answer is a rational number, so it doesn't need to be rounded.

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