I need an answer quick!

Describe all the numbers that when rounded to the nearest thousand are 645,000

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path