Question

What is (−4ab) × (2a²b³)?

Options

• −8a³b⁴

• −8a²b³

• 8a³b⁴

• −6a³b⁴

Answer 1

−8a³b⁴

Explanation:

Multiply coefficients: −4 × 2 = −8.

Add exponents for like variables: a¹ × a² = a³ and b¹ × b³ = b⁴.