usually, the "r" above, is used as a "rate of increase".
but 1+r combined, can be referred as the "rate for the new size".
so, for example, if something is increasing at a rate of 25%, 1+0.25 or 1.25, the new size wil be 1.25 or 125% of the old size.
Answer:
The scale factor is 1 because it has not increased or decreased and therefore are congruent
103,727,495 in word form is: one hundred three million, seven hundred twenty-seven thousand, four hundred ninety-five.