What is the product of (5.1 x 10^3) • (3.2 x 10^3)

5.1 • 10 ³ • 3.2 • 10 ³ =

5.1 • 3.2 • 10 ³ • 10 ³ =

16.32 • 10 ⁶ = 1.632 • 10 • 10 ⁶ =

1.632 • 10 ⁷