1. Convert to Standard Form:

* "Billion" means 1,000,000,000 (9 zeros).

* So, 2608 billion is 2608 * 1,000,000,000 = 2,608,000,000,000

2. Move the Decimal:

* Start with the decimal point at the end of the number: 2,608,000,000,000.

* Move the decimal 12 places to the left: 2.608

* You've moved the decimal 12 places, so the exponent will be 12.

3. Scientific Notation:

* The number in scientific notation is 2.608 x 10¹²