docstr: Determines a formatting rule for the tick exponents. For
  example, consider the number 1,000,000,000. If "none", it
  appears as 1,000,000,000. If "e", 1e+9. If "E", 1E+9. If
  "power", 1x10^9 (with 9 in a super script). If "SI", 1G. If
  "B", 1B.
  
  The 'exponentformat' property is an enumeration that may be specified as:
    - One of the following enumeration values:
          ['none', 'e', 'E', 'power', 'SI', 'B']
  
  Returns
  -------
  Any
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code: def exponentformat(self):
      """
      Determines a formatting rule for the tick exponents. For
      example, consider the number 1,000,000,000. If "none", it
      appears as 1,000,000,000. If "e", 1e+9. If "E", 1E+9. If
      "power", 1x10^9 (with 9 in a super script). If "SI", 1G. If
      "B", 1B.
  
      The 'exponentformat' property is an enumeration that may be specified as:
        - One of the following enumeration values:
              ['none', 'e', 'E', 'power', 'SI', 'B']
  
      Returns
      -------
      Any
      """
      return self["exponentformat"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 3 for calling the Axis obj's underlying member method code with example usage: obj.exponentformat() and returns: self