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Pro Tip
For quick mental powers of 2: memorise up to 2^10 = 1024. Then: 2^20 ≈ 1 million, 2^30 ≈ 1 billion, 2^40 ≈ 1 trillion.
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Did you know?
If you folded a piece of paper in half 42 times, it would reach from Earth to the Moon. This is 2^42 ≈ 4.4 trillion thicknesses — exponential growth is mind-bending.
References
📖Difficulty:Beginner
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Variable Legend
b= basen= exponentbⁿ= result
Exponent rules
Fundamental laws of exponents.
Product
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Quotient
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Power
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Zero exponent
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Negative exponent
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Fractional exponents
Fractional exponents are roots.
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Scientific notation
Express very large or small numbers.
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