Round 4,398,202 to the nearest 100

In the hundreds spot is a 2 and 2 is under 5 so we round down which would be 4 398 200

First off, let's take a look at the digit that's in the hundred's place.
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4,398,202
^
2 is in the hundred's place
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Now, let's take a look at the digit on the right of 2.
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4,398,202
^
0 is on the right of 2.
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Any number between 0-4:
You leave the place value alone and change every other digit to the right of the place value to 0.

5-9: Same rule, only add one to the place value.
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Since 0 is to the right, we change every number to the right of 2 to 0. The answer is:

4,398,200

:D