ABSTRACT
Remember our discussion in Chapter 3 of how every real number has a decimal expression? We said that the expression b 0.b 1 b 2 b 3… represents the real number that is the “sum to infinity” of the series b 0 + b 1 10 + b 2 10 2 + b 3 10 3 + ⋯ https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315382517/471f85d9-9517-49b3-9a80-cddf80ac5607/content/eq950.tif"/>
