Can you tell me the standard recommendation for the shelf-life of over-the-counter eye drops once opened? My drops both have expiration dates of about 14 months from purchase, but it states nothing about once it is opened. Are they safe to continue using after several months?
Mixed number. A mixed number is a whole number plus a fraction. Here are a few mixed numbers: 1 1/2 1 1/3 2 1/2 2 2/5 1 4/5 You can convert a mixed number to an improper fraction by finding the number of unit fractions in the whole number and then adding the fractional part of the whole number. This sounds hard, but it really isn't.
A composite number is an integer that is NOT prime. Here is a trick: if you add the digits of a number and this sum divides by 3, the number is divisible by 3: so B) 63. 6+3=9. which is divisible by 3, and so is 63: this is a composite number. Comments. Report.