Answer:
724,000,000,000 =
![7 * 10^(11)](https://img.qammunity.org/2020/formulas/physics/middle-school/7q6qucmfl21d0ile1vi1h3cr2nd8f9t5ez.png)
Step-by-step explanation:
To convert a number into scientific notation, we have to find how many digits are after the first digit so:
7, 2 4 0 0 0 0 0 0 0 0 0
11 digits are after 7
Meaning to make it into scientific notation, the power of 10 would be 11
![10^(11)](https://img.qammunity.org/2020/formulas/chemistry/high-school/bwzamr7476piratj53c79e0l5b1mh0bya5.png)