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Published byJonah Richard Hutchinson Modified over 6 years ago

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How do we use the laws of exponents?

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The zero power Anything to the power of zero is one

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You try 4 0 =1 X 0 =1 4905 0 =?

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Multiply with same base number If you are multiplying and the base number is the same then you add the exponents (x 4 )(x 6 )=x 10 (5 6 )(5 8 )=5 14

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You try (3 4 )(3 10 ) (y 5 )(y 7 )

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Dividing with the same base number If you are dividing and the base number is the same them you subtract T 7 =T 2 T 5 5 10 =5 1 5 9

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You try W 6 =? W 4 4 9 =? 4 5

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Raising a power to a power When raising a power to a power, you multiply the exponents (b 2 ) 3 = b 6 (6 7 ) 4 = 6 28

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You try (k 5 ) 6 = (3 4 ) 5

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What’s the pattern 3 5 = 243 3 4 = 81 3 3 =27 3 2 = 9 3 1 = 3 3 0 = 1 So what would 3 -1 as fraction =?, 3 -2 3 -3

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Exit ticket Negative exponents create what?

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What is 345x 0= ?

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Negative exponents Negatives exponents make the number flip So if it is a whole number it becomes a fraction If it is in the denominator it moves to the numerator If it is in the numerator than it moves to the denominator

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You try

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When subtraction leaves you negative

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You try

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Exit ticket

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