Question

what is the order of these decimals from least to greatest?
-1.4 -1.45 -1.45... -1.455

Answer 1

Least to greatest what? From least positive to most positive? And did you intend to have two number the same value?
-1.455 is the least positive (most negative)
-1.45/-1.45
-1.4 most positive (least negative)

Answer 2

from the least value to the greatest value

Answer 3

also -1.45... is a repeating decimal

Answer 4

Then
-1.4555555.....
-1.455
-1.45
-1.4

Answer 5

1.5 1.4 1.454 1.449 1.4545