Exodus 2:16

2:16 Now a priest of Midian had seven daughters, and they came and began to draw water and fill the troughs in order to water their father’s flock.

Exodus 13:7

13:7 Bread made without yeast must be eaten for seven days; no bread made with yeast shall be seen among you, and you must have no yeast among you within any of your borders.

Exodus 22:30

22:30 You must also do this for your oxen and for your sheep; seven days they may remain with their mothers, but give them to me on the eighth day.

Exodus 25:37

25:37 “You are to make its seven lamps, and then set its lamps up on it, so that it will give light to the area in front of it.

Exodus 29:30

29:30 The priest who succeeds him from his sons, when he first comes to the tent of meeting to minister in the Holy Place, is to wear them for seven days.

Exodus 29:37

29:37 For seven days you are to make atonement for the altar and set it apart as holy. Then the altar will be most holy. Anything that touches the altar will be holy.