* Nanoseconds to Seconds: There are 1,000,000,000 (1 billion) nanoseconds in one second. So, 30 nanoseconds is equal to 30 / 1,000,000,000 seconds.

* Scientific Notation: This can be written as 3.0 x 10⁻⁸ seconds.

Therefore, 30 nanoseconds in scientific notation is 3.0 x 10⁻⁸ seconds.