Irene R. answered 02/20/21
BS in Mechanical Engineering and Certified math teacher for 13 years
Hi Zainab,
Assuming that all of the vanilla extract is transferred with no loss:
You would need to divide the amount of vanilla extract (14.7 mL) by 21:
14.7/ 21 = 0.7
Each small container would have 0.7 mL (or 7 tenths of one mL)