Adecimal outline is an outline that uses notations such as

A). 1.1, 1.2, and 1.3.

Explanation:

Outline, in general, is described as the series or list to exemplify the key points or topics of content or subject. There are varied types of outlines like the numeric, alpha-numeric, decimal outline, etc. that are employed for different purposes.

If decimal outline, in particular, is concerned it is employed to link each outline/point to the central content(whole) where each element contributes to accomplishing the whole. In the given question, a decimal outline would be regarded as the outline that employs numeric notations with decimals to present a complete whole by connecting each element to achieve the whole. Thus, option A is the answer as it exemplifies decimal notations.

we would need to be able to read the passage in question to determine which factor allowed david believe he could defeat goliath. post the passage, and i'd love to out.