Proportion of families in the US who were homeless in 2010. The number of homeless families5Luo, M., "Number of Families in Shelters Rises," New York Times, September 12, 2010. in 2010 was about 170,000 while the total number of families is given in the 2010 Census at 78 million.
(a) Give the correct notation for the quantity described.
(b) Round your answer to five decimal places