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standard form is a way of writing very large numbers or very small numbers in a condensed form. E.g. 1,600,000,000 can be written as 1.6x10^9
Yes, in order to maximise the amount of marks you obtain you must write down all of your working as often the answer is only worth 1 mark whereas the working out makes up the rest of the marks. Always sho...
x2 + 5x = 5 Make equal to 0. x2 +5x - 5 = 0 Recognise that you need to use the quadratic equation. (-b ± sqrt(b2-4ac))/2 sub in. (-5 ± sqrt(52-41-5))/2...
Area of square : Base x Height.
Area of Circle: π x (Radius)2.
Looking at the diagram we are given the dimensions of the base or he...
(3x-6)(2x-1)
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