Indices - Introduction | Algebra | Maths | FuseSchool
A power is also known as an index number, or indices for plural. They tell us how often a number or letter has been multiplied by itself.
In this video we are going to look at index notation, so that we are ready to cover the laws of indices in future videos.
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Pathogens are disease causing microorganisms.
They can be spread in many ways; by direct contact, by water or by air. Different pathogens are spread by different mechanisms.
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Learn the basics about the polymerisation of ethene as a part of organic chemistry.
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This video is part of 'Chemistry for All' - a
Learn the basics about the atom economy principle of Green Chemistry, as a part of environmental chemistry.
A reaction with a high atom economy is one where all of the atoms in the reactants are included in the final, desired product. Such a reaction would have little, if any, waste produced.
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