Mathematics, 18.07.2019 05:20, trillralyn4060

Find the last two digits of the number 9^9 (hint: 9^9 = 9 (mod 10); hence, 9^9 = 9^9+10k, notice that 9^9 = 89 (mod 100).]

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Find the last two digits of the number 9^9 (hint: 9^9 = 9 (mod 10); hence, 9^9 = 9^9+10k, notice t...

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