Answer:
10 times.
Explanation:
We need to find that the value of 3 in 546300 is how many times more than 3456.
The place value of 3 in 546300 is 300 and the place value of 3 in 3456 is 3000.
Now dividing 3000 by 300 as follows :

It means that the value of 3 in 546300 is 10 times more than the value of 3 in 3456.