capybara111

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Help fast with a detailed explanation!

Lizzie came up with a divisibility test for a certain number is not 1: Break a positive integer $n$ into two-digit chunks, starting from the ones place. (For example, the number $354764$ would break into the two-digit chunks 64, 47, 35. Find the alternating read more ..

capybara111 May 10, 2024

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help me!

Find the last two digits of $9^{8^7}$. (By convention, exponent towers are evaluated from the top down, so $9^{8^7} = 9^{(8^7)}$.)

capybara111 May 8, 2024