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The greatest possible 'length' comes from the number with the greatest number of prime factors. The greatest number of factors is created by using the smallest Prime number, 2, as a factor as many times as possible. Since 2^9=512 and 2^10=1024, the greatest possible 'length' of a positive integer less than 1000 is 9.
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What is 600 meters as a decimal fraction?
600 is an integer and so the length can be written as 600 metres - exactly as in the question.
What are the differences between positive and negative databases?
There are two different contexts is which these terms are used; the first is regarding "reputation", a positive database contains entries correponding to entities with good, or at least not bad, reputation. A negative database has the entries corresponding to entities with decidedly bad reputation. In the second context, a positive database is what you normally thing a database to be, say entries containing names and credit-card numbers; a negative database contains all of the possible entries not included in the positive database, i.e., all possible name-creditcard combination except the ones in the positive DB. In fact a negative database has all possible character combinations (or for that matter bit combinations) of a given length that are not present in the negative db. This scheme has a potential for data security and personal privacy.
What is the text move function in PHP?
"Text move" isn't very clear. If you want to assign strings to different variables, use the assignment operator: <?php $old_var = 'blah'; $new_var = $old_var; echo $new_var; // Displays "blah" ?> If you want to work with a certain part of a string, use substr(): <?php $part_of_string = substr($string, $start, $length); // $start should be an integer, indicating which character to start obtaining the string at // $length should be an integer, indicating how many characters you want to obtain. echo = substr('somesimplestring', 5, 6); // Displays "simple" ?>
What is the number of a units a number is from 0 on the number line?
The distance the number is from zero. For example, + 19 is 19 units of length on the positive side of the number line , to the right of the zero position. - 19 is 19 units of length going the other way, to the left of the zero position on a number line.
Why cant there be negative numbers in Pythagorean theorem?
Because when you are looking for the hypothenuse, it will be bigger than both the numbers so it length will be in positives, and when you are looking for side a or b, it won't work with a negative because a negative and a positive will cause the number to be smaller.
