To order the given numbers from least to greatest, let's first convert everything to a common form (either as decimals or fractions) to make the comparison easier:
- 1.2 (already in decimal)
- −1 (already in integer form)
- 0.03 (already in decimal)
- 1 (already in integer form)
- −1/2 = −0.5 (convert the fraction to decimal)
Now we have the following decimal values to compare:
- \(-1\)
- \(-0.5\) (from \(-1/2\))
- \(0.03\)
- \(1\)
- \(1.2\)
Now, let's arrange these values from least to greatest:
- −1
- −0.5
- 0.03
- 1
- 1.2
So the ordered set of numbers from least to greatest is:
\(-1, -0.5, 0.03, 1, 1.2\)