Final answer:
To convert the number 8.396052 x 10^6 to regular notation, you multiply 8.396052 by 10^6. The correct answer is option A. Therefore, the number 8.396052 x 10^6 in regular notation is 8,396,052.
Step-by-step explanation:
To convert the number 8.396052 x 10^6 to regular notation, you multiply 8.396052 by 10^6. The correct answer is option A. Therefore, the number 8.396052 x 10^6 in regular notation is 8,396,052.