The following numbers are written in scientific notation: 8×103

To solve the problem, we need to perform the operation indicated by the numbers in scientific notation. However, no specific operation (like addition, subtraction, multiplication, or division) was mentioned. I'll assume you want to multiply the two numbers together.

Let's multiply:

1. The first number is \( 8 \times 10^3 \).
2. The second number is \( 1.6 \times 10^2 \).

When multiplying numbers in scientific notation, we multiply the coefficients and add the exponents:

\[
(8 \times 1.6) \times 10^{(3+2)} = 12.8 \times 10^5
\]

Now, we can convert it to standard decimal form:

\[
12.8 \times 10^5 = 1280000
\]

Therefore, the decimal number solution is **1,280,000**.