query: Find the last two digits of the number $9^{9^9}$
positive_passages.docid: 142151
positive_passages.text: Find the last two digits of $9^{{9}^{9}}$
negative_passages.docid: 77866
negative_passages.text: Find $x$ in $4^x+6^x=9^x$
negative_passages.docid: 138696
negative_passages.text: Last two and three digits of $7^{754}$
negative_passages.docid: 49116
negative_passages.text: Finding the last digit of $103^{103^{103^{103^{103}}}}$
negative_passages.docid: 35765
negative_passages.text: product of two numbers ending in 6 also ends with 6
negative_passages.docid: 150841
negative_passages.text: How to read this mathematics value: 10^9
negative_passages.docid: 67312
negative_passages.text: How to find the last digit of $3^{1000}$?
negative_passages.docid: 147505
negative_passages.text: Calculate the last digit of $3^{347}$
negative_passages.docid: 52416
negative_passages.text: The final number after $999$ operations.
negative_passages.docid: 126708
negative_passages.text: Finding the missing digits of $23!$
negative_passages.docid: 9105
negative_passages.text: Finding the last two digits $123^{562}$
negative_passages.docid: 32039
negative_passages.text: What are the trailing number of the zeroes in the given integer
negative_passages.docid: 153302
negative_passages.text: $9$ divides $n-r(n)$ where $r(n)$ is $n$ with its digits reversed
negative_passages.docid: 103711
negative_passages.text: Finding the first digit of $2015^{2015}$
negative_passages.docid: 37603
negative_passages.text: Finding the Integer part of $\sum_{k=2} ^{9999}\frac{1}{\sqrt k}$
negative_passages.docid: 126124
negative_passages.text: Why is the sum of the digits in a multiple of 9 also a multiple of 9?
negative_passages.docid: 18194
negative_passages.text: Return first digit of an integer