What makes talking about himself in the third person and effective rhetorical strategy for wiesel?

The answer is "The emphasis of the speech stays on Wiesel's frightening experiences as a child." Wiesel's use of the first person allows him to give a more individual view of the story as a whole. These are his knowledges, they are not neutral because this is his story. The first person is the finest way for him to deliver the things he needs to tell, and the third person would have through the story more universal not personal.

The focus of the speech stays on Wiesel's terrifying experiences as a child.

you didn't post an image.

the fraction 18/22 is equivalent to 9/11.

in decimal form if needed

this is a proper fraction once the absolute value of the top number or numerator (18) is smaller than the absolute value of the bottom number or denomintor (22).

the fraction 18/22 is equal to 18÷22 and can also be expressed in decimal form as 0.818182.