The human genome contains about 3 billion base pairs. Write this number in scientific notation.

• 3.0 x 10-9 base pairs
• 30 x 108 base pairs
O 3.0 x 10° base pairs
• 3.0 x 108 base pairs

The number of base pairs in scientific notation is 3.0 x 10^9 base pairs.

The correct answer is: 3.0 x 10^9 base pairs