The following table gives the years of life expectancy at birth for Blacks and Whites born in the United States for selected years projected to 2060.

(a) Make a matrix A containing the information for Whites and a matrix B containing the information for Blacks.

(b) Use these to find how many more years Whites in each category are expected to live than Blacks.

(c) For which of these birth years is the difference in life expectancy greatest?

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Blacks Whites Males Females Males Females 2020 74.0 79.8 78.6 82.9 2030 76.1 81.3 80.2 84.1 2040 78.0 82.8 81.7 85.2 2050 79.8 84.1 83.2 86.4 2060 81.4 85.3 84.5 87.4