There are around 7,000 pubs in Greater London. As at end of 2010, about 6 pubs (net of new ones opening) were closing a week.
3500
3500
3500
For the Facebook question, there are 7000 pubs in London.There are also published numbers much lower than that, since one could be talking about only the City of London, the larger urban area commonly called London, or even Greater London (see the Wikipedia links below).
7000 ÷ 100 = 70
7000 of them.
700 tens = 7000
3500 ÷ 5 = 700
7g = 7000 mg
7000.
7000 feet = 1.32575758 miles
7000 milliseconds is 7 seconds.