Carried out or written to one decimal place . . . 184.2Rounded to one decimal place . . . . . 184.3
3.046 to one decimal place is 3.0.
18.69 to one decimal place = 18.7
1.79246 = 1.8 in one decimal place
2.694 = 2.7 in one decimal place
615 is a whole number and as such has no need to be converted to a decimal. It could be represented as 615. but it ends in a five and so the terminal decimal is meaningless.
Anything to one decimal place has a precision of one decimal place. For instance, 1234 to one decimal place is 1000, and 5678 to one decimal place is 6000. If you are talking fractional examples, then 0.1234 to one decimal place is 0.1 and 0.5678 to one decimal place is 0.6. Similarly, 0.001234 is 0.001, and 0.005678 is 0.006.
Carried out or written to one decimal place . . . 184.2Rounded to one decimal place . . . . . 184.3
.615
That is to one decimal place (figures after the decimal point).
978.229 rounded to one decimal place is 978.2
The decimal 13.5 is already rounded to one decimal place.
63.999 to one decimal place = 64.0
It is then 9.3 when rounded to one decimal place
It is 14.1 rounded to one decimal place
It is 3.6 to one decimal place
It is 2.7 rounded to one decimal place