Today being the 6th of September 2009, then 77 weeks ago was the 16th of March 2008. 77 weeks is 539 days ago. You can use lots of things, like a computer, to take 539 days from the current date. You can do it in a spreadsheet. If you put today's date in one cell, say cell A1, then in another cell you can put a formula to subtract 539 days from it and it will give the result as a date, like this:
=A1-539
Tuesday the 2nd of July 2013 is 77 weeks before Tuesday the 23rd of December 2014.
As of the date that question was asked, August 5, 2010, subtracting 77 days from this gives Thursday, May 20, 2010.
77 days = 11 weeks
1520 AD is 491 years ago, as of 2011. To calculate how many years ago something was, use this formula: current year - older date = how many years ago for example: how many years ago was 1934 (older date)? 1934 is the older date, and 2011 is the current date so therefore: 2011-1934=77
77 days is 11 weeks
There are 11 weeks in 77 days.
77 days
11
Assuming that this period started on a Monday then 77 Sundays.
77 + 2017 years.
Trachodon is a dubious name for some type of hadrosaur. They lived 77 million years ago. The first woolly mammoths evolved 600,000 years ago.
To find out 77 percent of something, just multiply that something to 0.77.