Which could be the first step in simplifying this expression? Check all that apply. (x Superscript negative 18 Baseline) squared (x Superscript negative 3 Baseline) squared (x Superscript negative 2 Baseline) squared x Superscript 6 Baseline x Superscript negative 12 Baseline x Superscript 5 Baseline x Superscript negative 4

and

Explanation:

Given

Required

Possible Next Step

Open Bracket;

From law of indices;

This implies that

Hence, a possible next step is

Another possible step is as follows

From law of indices;

This implies that

Hence, a possible next step is

answer; technician a is correct; good luck;

from the word list given, the most suitable words that relate to the reason information were written would be:  

objectivity: lack of bias, judgment, or prejudice

accuracy: free of mistakes, to be correct

authority: the ability to tell people what to do or believe in

content: to be satisfied  

it can be said that the author made the article to present objectivity, to provide accurate information, to be the authority in the subject that he or she writes, and to be satisfied of the information quality given out.