Mathematics

Mathematics

Problem

Set S={9,  2,  0.3‾,  227}S=\{\sqrt{9},\;\sqrt{2},\;0.\overline{3},\;\tfrac{22}{7}\}. Which option lists the rational and irrational numbers in SS correctly? a) Rational: {9, 227}\{\sqrt{9},\,\tfrac{22}{7}\} ; Irrational: {2, 0.3‾}\{\sqrt{2},\,0.\overline{3}\} b) Rational: {9, 0.3‾}\{\sqrt{9},\,0.\overline{3}\} ; Irrational: {2, 227}\{\sqrt{2},\,\tfrac{22}{7}\} c) Rational: {9, 0.3‾, 227}\{\sqrt{9},\,0.\overline{3},\,\tfrac{22}{7}\} ; Irrational: {2}\{\sqrt{2}\} d) Rational: {9, 0.3‾, 2}\{\sqrt{9},\,0.\overline{3},\,\sqrt{2}\} ; Irrational: {227}\{\tfrac{22}{7}\}

Browse the problem library