To order the decimals from least to greatest, let's evaluate each option:
-
1.07, 1.7, 1.73:
- 1.07 < 1.7 < 1.73
- This set is in order.
-
1.7, 1.074, 1.07:
- 1.7 > 1.074 > 1.07
- This set is not in order.
-
1.77, 1.7, 1.07:
- 1.77 > 1.7 > 1.07
- This set is not in order.
-
1.7, 1.07, 1.007:
- 1.7 > 1.07 > 1.007
- This set is not in order.
The only set in order from least to greatest is 1.07, 1.7, 1.73.