Final answer:
The number 4,670,000 is closest to 5 x 10⁶ in scientific notation.
Step-by-step explanation:
The number 4,670,000 is closest to 5 x 10⁶ in scientific notation. In scientific notation, we express numbers as a decimal between 1 and 10, multiplied by 10 raised to a certain power. To convert 4,670,000 to scientific notation, we move the decimal point 6 places to the left, resulting in 4.67. We then multiply it by 10⁶ to account for the decimal point movement. Therefore, the number is written as 4.67 x 10⁶, which is closest to 5 x 10⁶.