The density of blood plasma is approximately 1,025 kilograms per cubic meter.

How is this number written in scientific notation?

A. 1.025 x 1031.025 x 10 3
B 1.025 x 10-31.025 x 10 -3
C 1.025 x 1041.025 x 10 4
D 10.25 x 102

A. 1.025 x 10^3