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Negative powers: will always be a fraction; if an exponent is negative, it makes it the opposite (not multiplying by 10 4 times but dividing by 10 4 times); Ex: 2 ^ -4 = 1/ (2^4) (take the reciprocal of the number) Ex: (5/8) ^-2 = (8/5)^2
How many pages is 90000 words? ☑️ Is 1800 words a lot?
directed number arithmetic sped up
ideas and resources for mathematics teachers of 10 to 16 year olds
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How to Multiply by 9 Using your Fingers — The Burlap Bag