b) 3¹⁵:9=
3¹⁵:3²=
3¹³
Sper ca te am ajutat! ☆•☆
[tex] {3}^{15} \div 9 = {3}^{15} \div {3}^{2} = {3}^{15 - 2} = {3}^{13} [/tex]