Answer:
600,000.
Explanation:
We are asked to round to the place value of the underlined digit of number 552,945. The 1st five is underlined.
We can see that 1st five number is at hundred thousands value. We can see that digit at ten thousands place is 5, so we will round up our answer to nearest hundred thousands place.

Therefore, after rounding our number we will get 600,000.