it doesn't specifically kill 99.99 or 99% of germs but it helps us lot
it kills our germs about 55% germs
it just say it kills 99.99% germs so people can buy it lot and the shopkeeper will make lot of money or the company man
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Because you could never get 100% of the germs. When brands state their cleaners remove 99.9% of germs, the other 0.1% are either good germs or simply are too tough to be removed.
The one percent is that, "Not everyone may use it right, and maybe still leave some left." The 0.1 percent is a low rate meaning that : almost every time, the hand sanitizer will work 100%.
1 percent out of 99 percent = 0.00991% of 99%= 1% * 99%= 0.01 * 0.99= 0.0099
Need value of 100 to answer or the other 99 percent.
99 percent as a fraction = 99/10099% = 99/100 in fraction