a. 162.26; b. No, because it is not a whole number; c. 16%2; d. ~7%.
Work Step by Step
a. $(0.38)\times427$ $162.26$ b. You can't have a fraction of a person. c. If you round $162.26$ to the nearest whole number, you get $162$. d. $30\div427$ $~0.07$ ~$7$%