Answer:
about 30 seconds
Step-by-step explanation:
Alcohol sanitizer is good until the alcohol evaporates, about 30 seconds. It is a cleaner, that kills the pathogens already on your hands. If you recontaminate your hands, you need to reapply.
Answer:
A
Step-by-step explanation:
multiply 5/3 by 2 you should get 10/6 and then you simplify it out the fraction is 1 and 4/6
12/6 is 2
and you do not need to do anything with 1
I gotten this question before the answer is 3
Ratio problem
1 cm = 120 km
------- = --------
x 463
120x = 463
x = 23.15 = 23.2