Question

упростите выражения

Answer 1

1) a^3×(a^4)^2=a^3*a^(4×2)=a^(3+8)=a^11.
2) (b^2×b^5):b^6= b^7:b^6=b
3) 2ab^2×(-5ab^3)=2×(-5)aabbbbb=
=-10a^2b^5.
4) (8bc^6):10b^2c^3=8bcccccc:(10bbccc)=
=8c^3:(10b)=4c^3:5:b