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The most common way of doing this is called a bubble search (this may not be the technical name, but it's the one I was taught). The method is as follows:

Start by writing the number at t...

Start by multiplying the two numbers as though they didn't have a decimal point (e.g. 2.73.6 becomes 2736 = 972). Now add up how many decimal places were in the original two numbers (e.g. 2.7 ...

In order to simplify a surd you need to look at the factors of the number under the square root. You can then multiply together the square roots of the factors.

For example if you wanted ...

Firstly, what is the product rule? What does it actually say? Well, it tells us how to differentiate a function of the form uv - the product of the functions u and v. If y = u...