Section of Prealgebra 2e, whose senior contributing authors are credited in the book preface. The whole-bookcitation identifies publication on 11 March 2020; website footer copyright is a different date.
Cited passages: Prealgebra 2e, §5.1, NameDecimals, Tables 5.1–5.2 and Figure 5.2: whole-number and fractional place values.