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This problem trains for: SAT-I, AMC-8, GMAT, AMC-10, AMC-12.
Which of the following inequalities can be used to find an approximation of the square root of the number 7.2 to one exact decimal place?
To get one exact decimal place, the second decimal place is the first value that is allowed to be approximate.
The inequality that gives us an approximation for the second decimal place (and an exact first decimal place) is: