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.
The weight limit on most checked luggage is 50 pounds. Duty-Free Liquor. If you plan on buying your booze in duty-free, you may have to pack it into your luggage anyway. For example if you're flying into the US and transferring planes, you'll have to check the duty-free items into your luggage at the transfer airport. That can be a real hassle if you don't plan for it.