Strictly speaking its 1 in a million
Say 49 balls, 6 selected
Total odds are 1 in ( 49 *48 * 47 *46 * 45 *44 ) 10,168,347,520
Such lotteries are supposed to be random - in the long term, no number will appear more often than others. Any statistics about what numbers won the last few times will NOT influence the probability of future numbers - the same numbers are neither more nor less likely to appear - and is therefore quite useless for winning at the lottery.
In countries that use the long scale (based on powers of a million) as used in Europe - one million:1 billion = 1012 ⇒ 1 billion ÷ 1 million = 1012 ÷ 106= 106In countries that use the short scale (based on powers of a thousand) as used in USA - one thousand:1 billion = 109 ⇒ 1 billion ÷ 1 million = 109 ÷ 106= 103
mega = million. so megaton = million tons. Often used as a comparative power, where the tons referred to are tons of TNT. So, the Hiroshima bomb was about 20kt. = 20 000 tons of TNT. Naturally, this unit ignores effects beyond simple blast, effects such as heat and radiation.
a millionth of a meter is a micrometer, most often called a micron
An MMBtu is a million Btu. 1 kilowatt hour = 3412 Btu, approx = 0.003 412 MM Btu. Originally, MBtu represented 1000 Btu, from the Roman numeral M = 1000. However, this often got confused with the SI prefix "Mega", meaning 1 million. The prefix MM was introduced to get around this confusion.
City-wide can be hyphenated, more often these days it is quoted as one word
The odds of winning at lottery games are extremely slim. Often times it's a one in a ten million chance to win at lotteries. With that said, the best way to play a lottery is to play very seldom if at all. If a person wants to gamble, take a limited amount of spare money and play blackjack at a casino. Chances of winning are much higher than a lottery.
once in life time
The term seesaw is one word, not hyphenated. The synonym, teeter-totter often is.The term can be used as an adjective to describe shifting situations, such as sports scores.
once a day
Yes, though it is often hyphenated as man-made, which is a type of compound word.
it truly depends on how often you play it and how lucky you are.
Capitalise only if used as a formal title before a name, or at the beginning of a sentence, or as part of a title in a book (for instance). It is not hyphenated. Though you will often see hyphenation being used - but it is wrong.
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chosen numbers
Businessmen is often written as one word. It can be two words or even hyphenated
worst case- often hyphenated- the Oil disaster was a Worst-Case scenario in the Gulf area!