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- 30 (number) - Wikipedia
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 is used to estimate months elapsing
- Number 30: Power integer. Comprehensive Review
Welcome to the most comprehensive review of the number 30 ever created The number 30 possesses remarkable attributes, including–and perhaps most profoundly–its role (along with its prime factors 2, 3 and 5) as a primary organizing principle in the distribution of prime numbers
- Calculator - Math is Fun
Just type and your answer comes up live Use the buttons, or type formulas like 3sqrt(2) or pi 2 Also see Function Grapher, Equation Grapher,
- Number 30 facts
'30 Seconds to Mars' (also Thirty Seconds to Mars, abbreviated as 30STM or TSTM) is an American alternative rock band formed in 1998 in Los Angeles (California)
- Math Calculators
This is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more
- 30 Definition Meaning - Merriam-Webster
How to use thirty in a sentence
- Thirty Facts About The Number 30 - The Fact Site
Numbers each have their own value depending on what importance people give to them, maybe it marks an anniversary, or a lucky number Well, here's 30 facts!
- 30 - definition of 30 by The Free Dictionary
Define 30 30 synonyms, 30 pronunciation, 30 translation, English dictionary definition of 30 Noun 1 30 - the cardinal number that is the product of ten and three thirty, XXX large integer - an integer equal to or greater than ten Adj 1
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