Listen carefully to the pitched rhythm. Play it as many times as you need to in order to finish the notation.
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It's best to do one thing at a time. Try writing all the intervals first, and then going back and figuring out the note durations. In this exercise, the quarter note equals 1 beat.
Now, using Noteflight, notate the pitched rhythm by writing the correct pitches and note durations according to the audio clip. Add measures as you need them. Here's the clef, the time signature, and the first note, so you'll know how to begin.