When adding 3.2 x 10⁵ and 4.5 x 10⁵, what is the correct process?

• A. Multiply the coefficients and add the exponents.
• B. Add the coefficients and keep the exponent constant.
• C. Subtract the coefficients and keep the exponent constant.
• D. Add the exponents and keep the coefficient constant.

Answer: (B)