Which answer explains the correct way to move the decimal to find the product of 23.8 x 100?

Geometry answer picture question pls . reason and statements

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

For the inequality |c| < |d| to be true, which of the following must be true?