Hints for problem of elimination: You might get an intuitive feeling that 1 and 3 are too small, leaving you with three choices. Even if you don’t know the full answer, you must guess at this point.
Read on for a full solution.
Tag Archives: Multiples of 10
SAT/ACT problem of the week, October 06, 2016
An integer $latex x $ has $latex n $ zeros at the end if and only if it is divisible by $latex 10^n $. For example, 12,500,000 is divisible by $latex 10^5 $ but not by $latex 10^6 $.
How many zeros are at the end of $latex 1 \times 2 \times 3 \times \cdots \times 100$?
Solutions, hints, and questions are welcomed. A full solution will be posted on October 12th. If you would like to learn how to enter math formulas into this blog, visit the WordPress LaTeX tutorial page.
SAT problem of the week, October 06, 2014 solution
Hints for problem of elimination: You might get an intuitive feeling that 1 and 3 are too small, leaving you with three choices. Even if you don’t know the full answer, you must guess at this point.
Read on for a full solution.
SAT problem of the week, October 06, 2014
An integer $latex x $ has $latex n $ zeros at the end if and only if it is divisible by $latex 10^n $. For example, 12,500,000 is divisible by $latex 10^5 $ but not by $latex 10^6 $.
How many zeros are at the end of $latex 1 \times 2 \times 3 \times \cdots \times 100$?
Solutions, hints, and questions are welcomed. A full solution will be posted on October 12th. If you would like to learn how to enter math formulas into this blog, visit the WordPress LaTeX tutorial page.