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In base-10 (denary) representation numbers are represented by saying how many units, tens, hundreds, thousands etc... there are from right to left. So for 74 there are 7 tens and 4 units. In binary, each ...

When simplifying surd expressions we want to look for square numbers that are factors of the number inside the square root. If we list the square numbers (which are numbers that are the result of squaring...

First of all, you need to read the question really carefully and look at how many marks it is worth. The question is worth two marks and it is asking you to do two things: firstly, you need to ‘rationalis...

Warm (hot) and humid.

Poiseuille's law.