Answer: 5 x 10^3 = 5 x 10^3,
Explanation:
5 x 10^3 = 5 x 10^3,
The sum is 5 x 10^3 in scientific notation. This is because when adding two numbers in scientific notation, you simply add the coefficients, and keep the exponent the same. In this case, 3 + 2 = 5, and 10^3 remains 10^3.