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Published byMelissa Allison Modified over 9 years ago
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Slideshow 10, Mathematics Mr Richard Sasaki, Room 307 Powers and Indices
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Objectives To recall algebraic rules learned so farTo recall algebraic rules learned so far To learn how products of an unknown make a powerTo learn how products of an unknown make a power To learn how to multiply and divide powers of an unknownTo learn how to multiply and divide powers of an unknown
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Review Let’s review the main rules we have learned so far.
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Powers (Indices) The small 2 symbol at the top is called the power or index. Note: Power and Index mean the same thing. Indices is plural of index in this context.
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Calculation (Multiplication) Let’s try some multiplication. Example Have a guess! What will happen when we divide indices?
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Calculation (Division) Example
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Answers
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Negative Powers and Zero Writing this in both ways is fine. Note: Any number to the power zero is 1.
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Answers
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Brackets and Other Calculations Example
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Answers - Easy
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Answers - Hard
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