Объяснение:
a)x⁴×x²×x⁸=×x⁸=
б)(-2х)² :(-2х)³ :(-2х)⁴=(-2x=1/(-2x=1/-32=-1/32
в)7⁹× (7²): 7¹⁹==1/
г)16²× 8 : 2⁷=2⁸×2³:2⁷=2⁴
Объяснение:
a)x⁴×x²×x⁸=
×x⁸=
б)(-2х)² :(-2х)³ :(-2х)⁴=(-2x
=1/(-2x
=1/-32
=-1/32
в)7⁹× (7²): 7¹⁹=
=1/
г)16²× 8 : 2⁷=2⁸×2³:2⁷=2⁴