Verified answer

Пошаговое объяснение:

4)

27(-3²а³):(3⁵а`¹b`²)³=

= -(3³3²a³):(3¹⁵a`³b`⁶)= -(3⁵a³):(3¹⁵a`³b`⁶)=

= - 3`¹⁰a⁶b⁶= -a⁶b⁶/3¹⁰

a= -0,1

b=0,1

-(-0,1)⁶×0,1⁶/3¹⁰= -( 1/10)⁶×(1/10)⁶/3¹⁰=

= -(1/10⁶)×(1/10⁶)/3¹⁰= -1/10¹²:3¹⁰=

= -1/(10²10¹⁰):3¹⁰= -1/(10²×10¹⁰)×1/3¹⁰=

= -1/(10²×10¹⁰×3¹⁰)= -1/(100×30¹⁰)