Quiz
    I. Give metric prefixes or numerical values, as appropriate
1) pico
2). 1000
3). 10-6
4). centi
5). hecto
6). 1 x 109
7). milli
8) nano
9) 1 x 106
    II.   1).  For what purpose are  significant figures used?
   2). For what types of numbers is the consideration of  .of. Significant figures irrelevant?
   3). Indicate the number of significant figures possessed by the following:
      a).  0.00405 g   b).  1 x 103 mm/m    c).   100.00 in2