-0.5m/s^2
Explanation:
the answer is negative this only show direction that is acceleration is a vector quantity
Same but like I got to answer questions before I can ask so sry
Answer: The length of the cell in millimetres is 0.0015.
Explanation:
Given conversion :

Thus 
Given : Length of the cell = 1.5 micrometers 
To find: Length of the cell in milllimeters (mm)
Length of the cell in milllimeters (mm) = 
The length of the cell in millimetres is 0.0015.