instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Pharmacists dispense nearly _ billion prescriptions a year.
answer:
three

question:
Fluoroscopy has _ magnification modes and image capture.
answer:
two

question:
Refraction occurs _ times, as the light intersects the vessel s inner and outer surfaces .
answer:
four