The number \( 5.2 \times 10^3 \) is already in standard form.
In standard form, a number is typically expressed as \( a \times 10^n \), where \( 1 \leq a < 10 \) and \( n \) is an integer. In this case:
- \( a = 5.2 \)
- \( n = 3 \)
If you need to write it in decimal form, it would be \( 5200 \).