The number of days in the months April, June, September and November (and in unusual circumstances February—see February 30). Although the number of days in a month vary, 30 …

Free percentage calculator for 6 common calculations: find a percentage of a number, percent change, discounts, percent error, and more. Instant results.

Dec 15, 2016 · Our food choices in our thirties can impact our disease risk down the line, as shown in recent research that found those who eat fruits, vegetables, whole grains, …

6 days ago · Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

30 is an abundant number (aka excessive number) in that the sum of its divisors (72) exceeds 2n. 30's abundance is thus calculated as: 72 - (2∗30) = 12. 30 is a highly abundant number.

From its role in geometry, astronomy, and religion, to its presence in everyday life, the number 30 has a wide range of applications and meanings that will pique your curiosity. Join us as we …

Jan 7, 2026 · Over 35 years, it has shown that people who ate less fast food and those who followed a plant-based diet from ages 18 to 30 had a lower risk of cardiovascular disease and …

Discover how to accurately calculate 30% of any number with our percentage calculator. Get answers to common questions like "What is 30% of 30?" and "How to calculate 30 percent of a …

Jul 3, 2024 · In mathematics, it is the smallest sphenic number, representing a positive integer that is the product of three distinct prime numbers. In astronomy, it is the atomic number of …

The meaning of the number 30: How is 30 spell, written in words, interesting facts, mathematics, computer science, numerology, codes. Phone prefix +30 or 0030. 30 in Roman Numerals and …