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Questions about the end of the Cold War, although they might seem to be about the same event, can vary significantly due to the wording of the question.

So as an example, read and understand this q...

All you have to do for 9.02x10^-3 is put 0.00902 which is basically putting 0.(because of 10^-3) and move two decimal places and put 902. 2.6x10^5 is a positive power of 10 hence you have to add four zero...

You multiply the terms of each vector that have the same unit vector (e.g. i, j, k). For example, you multiply the i terms in the first vector by the i terms in the second vector. When you've multiplied t...

There is no 'best' way to learn vocabulary - different methods work for different people. However, simply looking up a word once isn't good enough, for you will soon forget it. One great way of learning n...

The most important thing to remember when you write an IB History essay is to answer the question. This sounds simple, but the majority of people lose most of their marks by drifting off topic (if you don...