Answer:
500000
Step-by-step explanation:
We use Scientific notation to write a very large or very small numbers. For example, your number is too big and they use scientific notation to write it.
Standard notation is to write number in usual way, without ^ or any other singh.
10^5 is 10x10x10x10x10=100000
So the number 5x10^5 is 5x100000=500000