The open 4th string is an E note
Play this F note with the first finger of your left hand just behind the first fret of the 4th string
Play this G note with the third finger of your left hand just behind the third fret of the 4th string
When playing the E string with your right hand fingers, you will need to use a variation on the rest stroke technique. Since there is no string for your finger to come to rest on after playing the E string, let your finger come to rest against your thumb which is resting on the pickup. This technique is demonstrated in the following photos and should be used in the next two exercises.
Play the E string using right hand finger:
Let finger come to rest against thumb: