a)
[tex]\frac{7^8*7^0*7}{7^3}=\frac{7^{8+0+1}}{7^3}=\frac{7^9}{7^3}=7^{9-3}=7^6[/tex]
b)
[tex]\frac{(a^3)^2*a^4*a^0}{a^{11}:a^4}=\frac{a^{3*2}*a^{4+0}}{a^{11-4}}=\frac{a^6*a^4}{a^7}=\frac{a^{6+4}}{a^7}=\frac{a^{10}}{a^7}=a^{10-7}=a^3[/tex]
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a)
[tex]\frac{7^8*7^0*7}{7^3}=\frac{7^{8+0+1}}{7^3}=\frac{7^9}{7^3}=7^{9-3}=7^6[/tex]
b)
[tex]\frac{(a^3)^2*a^4*a^0}{a^{11}:a^4}=\frac{a^{3*2}*a^{4+0}}{a^{11-4}}=\frac{a^6*a^4}{a^7}=\frac{a^{6+4}}{a^7}=\frac{a^{10}}{a^7}=a^{10-7}=a^3[/tex]