Actually, 9.2 is ten times as much as 0.92- so the first part of the statement is incorrect: 0.92 is ten times less than 9.2.
What is 0.92 one tenth of?
we calculate this like this:
0.92=0.1x//multiply both sides by 10:
9.2 =x
so0.92 is one tenth of 9.2