1) One ream of paper is defined as 500 sheets of paper. a) Is this an exact or inexact relationship? Explain.e b) If this is an inexact relationship, how many significant figures are shown in this relationship?e c) Fill in the blank with the correct value. e 1 ream of paper = sheets of papere d) In the space below, write the 2 conversion fractions (or conversion factors) that can be constructed from the equality in part 'c'. e