The number $8.2 \times 10^4$ is expressed in scientific notation. In standard decimal notation, it can be expanded as:

$8.2 \times 10^4 = 82,000$

Let me know if you'd like further clarification or additional examples.

Related Questions:

1. What is $3.5 \times 10^6$ in standard decimal notation?
2. How do you convert $0.0072$ into scientific notation?
3. What is the significance of scientific notation in scientific fields?
4. How do you multiply two numbers in scientific notation?
5. How does scientific notation simplify working with very large or very small numbers?

Tip: Always ensure to move the decimal point to create a number between 1 and 10 when converting into scientific notation.