Verified Answer :

b²c⁻¹
(-4)²(2)⁻¹
(16)(¹/₂)
8

(n³)³ · (n⁴)⁵
n⁹ · n²⁰
n²⁹

4x³y(-2x²y)
-8x⁵y²

0.0002507
2.507 × 10⁻⁴

Answer:

8

Step-by-step explanation:

b²c⁻¹

(-4)²(2)⁻¹

(16)(¹/₂)

8

:)