Ответ:
1) (y^4)^3=y^12
2) (-x^6)^2=-x^12
3) m^5m^4=m^5+4=m^9
4) ((a^7)^3)^2=a^42
5) a^6 • (a^2)^4=a^6 a^8=a^14
6) (-a^5)^3 • (-a^4)^7=-a^15•(-a^28)=a^43
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Ответ:
1) (y^4)^3=y^12
2) (-x^6)^2=-x^12
3) m^5m^4=m^5+4=m^9
4) ((a^7)^3)^2=a^42
5) a^6 • (a^2)^4=a^6 a^8=a^14
6) (-a^5)^3 • (-a^4)^7=-a^15•(-a^28)=a^43