Respuesta :

wegnerkolmp2741o

Answer:

4.50 * 10^5

Step-by-step explanation:

We need to notice the 3 significant figures

First change to scientific notation by moving the decimal 5 places to the left.  That makes the exponent +5

4.50000* 10^5

We need 3 sig figures

4.50 * 10^5

good job