It can be, but only when it means approximate, which can be either an adjective or a verb. Approximated is the past tense and past participle of the verb approximate (to estimate, to judge).
9.58 approximated to the nearest tenths is 9.6
When was pi first being used approximated?
6.7
Yes it can.
It is still 19.
An approximation is an estimate or a rough idea. "She approximated the average distance between the two cities."
: Find the percentage error if 625.483 is approximated to 3 significant digits?
7.9
It is already at its closest, so it is 270.
4.7
It is about 4.4
Approximately 4.