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(\frac{1}{36})^2=(\frac{1}{6})^4
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8^{20}=(2^3)^{20}=2^{60}
8^{20}=2^{60}
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6^{10}=(6^2)^5=36^5
6^{10}=36^5
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(7^6)^7=7^{42}=(7^2)^{21}=49^{21}
49^{21}=(7^6)^7
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64^{16}=(8^2)^{16}=8^{32}=(8^8)^4
64^{16}=(8^8)^4
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(\frac{1}{2})^{12}=[(\frac{1}{2})^2]^6=(\frac{1}{4})^6
(\frac{1}{4})^6=(\frac{1}{2})^{12}