* Trillion: A trillion is 1,000,000,000,000 (1 followed by 12 zeros).
* 72,000 trillion: This is 72,000 * 1,000,000,000,000 = 72,000,000,000,000,000
* Scientific Notation: We need to express this number as a number between 1 and 10 multiplied by a power of 10.
* Move the decimal point 16 places to the left: 7.2
* The power of 10 is 16 (since we moved the decimal 16 places).
Therefore, the scientific notation of 72,000 trillion is 7.2 x 10¹⁶
