Do you have any answer choices?
So, say your # was 6,234,578. you would go to the seven and look to the number next to in, so 8, and if the neighbor is 5 or bigger, you make the number, in this case a 7 an 8. Last, you make all the other #s after the one you rounded 0. So the answer would be:
6,234,570.0
Answer: Example for ratio: For every 1 bike there are two wheels
Example for rate: A jet is traveling 460 mph
Step-by-step explanation: