The notation \( 8.5E4 \) represents the scientific notation for the number \( 8.5 \times 10^4 \).
To convert this to standard form, you simply calculate:
\[ 8.5 \times 10^4 = 8.5 \times 10000 = 85000 \]
So, in standard form, \( 8.5E4 \) is written as \( 85000 \).