The result is the parameter to use in the ROUND, ROUNDUP, and ROUNDDOWN functions. 1  Count the number of digits in your original number. For example, the value 549282 has six digits. 2  Determine the number of digits that the final number should have. In this example, the final number should have three significant digits.
Another option for bringing alcohol is to pack it in your carry-on luggage; the only problem with that is, the bottles cannot be more than 3.4 oz. a piece. If you have a lot of friends or family who want a souvenir of the local liquor, bring them each a small travel bottle, which is typically less than 3.4 oz.
Buying something in a duty-free store when traveling outside the country does not automatically mean you can bring it back into the United States. Beverages that are more than 70 percent alcohol by volume can not be packed in your luggage.