1. You might have said something like: ‘A law is a requirement to do or not to do a particular action in a particular situation, by decision of a government or institution. It is also a statement of fact that is true in all or most cases, based on experiments or observations in fields such as science or economics.’ (Here’s the link to a whole page of meanings, at the Oxford Dictionary page).
4. Complete sentences below, with the target word in bold:
Institutions will try to preserve the problem to which they are the solution.
In a hierarchy every employee tends to rise to his level of incompetence.
The only way of discovering the limits of the possible is to venture a little way past them into the impossible.
One should expect that the unexpected can be prevented, but the unexpected should have been expected.
The first 90% of the code accounts for the first 90% of the development time. The remaining 10% of the code accounts for the other 90% of the development time.
5. Nouns: institutions, problem, solution, hierarchy, employee, level, incompetence, way, limits, 90%, development, time, 10%.
Adjectives: only, possible, little, impossible, unexpected, expected, first, remaining.
The adjectives in italics above (possible, impossible, unexpected, expected) are used as nouns, after the definite article the. They aren’t used to describe a noun. The other adjectives are used in a normal way, before a noun to give more detail about it.
7. There’s no correct or incorrect way of finishing these laws! Your opinions are valid! However, here are the original laws as they were written:
It always takes longer than you expect, even when you take into account Hofstadter’s Law.
Improvement means deterioration.
The Lindy Effect (by theorist Nassim Taleb):
The longer a technology lives, the longer it can be expected to live.
The best way to get a right answer on the Internet is not to ask a question but to post a wrong answer.