Răspuns:
C)
[tex] {2}^{9} \times {8}^{7} \div {2}^{30} [/tex]
[tex] {2}^{9} \times {2}^{3 \times 7} \div {2}^{30} [/tex]
[tex] {2}^{9} \times {2}^{21} \div {2}^{30} [/tex]
[tex] {2}^{9 + 21} \div {2}^{30} [/tex]
[tex] {2}^{30} \div {2}^{30} [/tex]
[tex] {2}^{30 - 30} [/tex]
[tex] {2}^{0} [/tex]
[tex] {2}^{0} = 1[/tex]
