Final answer:
To find the leading term of a polynomial, locate the term with the highest power of the variable, which is absent in the given string of numbers.
Step-by-step explanation:
The question seems to have a typo and might refer to the leading term of a polynomial function f(x). The leading term of a polynomial is the term containing the highest power of the variable. In the string of numbers provided, none appear to be a part of a polynomial expression. Therefore, to identify the leading term of a polynomial, we should look for the term with the highest exponent. For example, in a polynomial such as f(x) = -5x3 + 2x2 - 1, the leading term would be -5x3 because it has the highest exponent, which is 3 in this case.