a)
[tex]4 {}^{3} = ( {2}^{2} ) {}^{3} = 2 {}^{2 \times 6} = 2 {}^{12} [/tex]
b)
[tex] {2}^{7} \times {8}^{2} = {2}^{7} \times ( {2}^{3} ) {}^{2} = {2}^{7} \times {2}^{6} = {2}^{13} [/tex]
c)
[tex] {2}^{9} \div 16 = {2}^{9} \div {4}^{2} = {2}^{9} \div ( {2}^{2} ) {}^{2} = {2}^{9} \div {2}^{4} = {2}^{9 - 4} = {2}^{5} [/tex]
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a)
[tex]4 {}^{3} = ( {2}^{2} ) {}^{3} = 2 {}^{2 \times 6} = 2 {}^{12} [/tex]
b)
[tex] {2}^{7} \times {8}^{2} = {2}^{7} \times ( {2}^{3} ) {}^{2} = {2}^{7} \times {2}^{6} = {2}^{13} [/tex]
c)
[tex] {2}^{9} \div 16 = {2}^{9} \div {4}^{2} = {2}^{9} \div ( {2}^{2} ) {}^{2} = {2}^{9} \div {2}^{4} = {2}^{9 - 4} = {2}^{5} [/tex]