Monday, Sept 16
84 in standard form is:
8 x 8 x 8 x 8
  512
 4,096
  4 x 4 x 4 x 4 x 4 x 4 x 4 x 4
88 x 66 = 
Round 14.6764 to the neared hundredth:
14.67
 14.68
14.7
14.6
81 in exponential form is:
   9 x 9  
   3 x 3 x 3 x 3
  99
  811
2,000 - 1, 638 = 
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