Respuesta :

wegnerkolmp2741o

Answer:

D) 4 x 10^5

Step-by-step explanation:

400,000

The number in scientific notation is between 1 and less than 10.  We need to move the decimal 5 places to the left.  Since we move 5 places to the left, our exponent is 10^5

4.0 * 10 ^5