Answer:
Yocto and [tex]1yocto=10^{-24} unit[/tex].
Explanation:
The matrix prefixes have entered in many part of our language and terminology, especially in the measurement of small,big, and very very small data.
By knowing the actual values of the matrix prefixes someone can enable his knowledge for better understanding and real size of the object can be determined through this knowledge of units.
After knowing all the units or size the smallest prefix is the yocto which has the value of [tex]10^{-24} unit[/tex].