3. c)
[tex] {5}^{100} \times 5 = {5}^{101} [/tex]
.
b)
[tex] {3}^{100} \div 3 = {3}^{99} \\ {3}^{100} \div {3}^{1} = {3}^{99} [/tex]
a)
[tex] {2}^{100} \div 2 = {2}^{99} [/tex]
