How does Excel represent internally the values we see on a spreadsheet? a) All of the values are represented according to their particular types. b) All of the values, regardless of type, are represented as numbers. c) Each digit is represented as a specific alphanumeric code. d) Some values are represented as numbers and others as letters and symbols. Why is metadata an important resource when organizing and presenting data? a) If offers specific functions and formulas to address complex values. b) It converts how the raw data are stored internally in Excel. c) It communicates user-relevant information about the data. d) It helps the user understand how Excel manipulates data