Question

Упростите выражение
1)$y^{4}$×($y^{2}$)$^{2}$
2)5$x^{2}$y-8x$^{2}$y+$x^{2}$y
3)(2ab$^{2}$)$^{4}$×(2$a^{2}$b)$^{3}$

Answer 1

1) y⁴(y²)²= y⁴y⁴=y⁸.

2) 5x²y-8x²y+x²y= -2x²y.

3) (2ab²)⁴×(2a²b)³= 2⁴a⁴b⁸×2³a⁶b³= 2⁷a¹⁰b¹¹= 128a¹⁰b¹¹.