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2 billion seconds
4.5 billion seconds.
A billion is 1 followed by 9 zeroes, or 1,000,000,000. 27 billion billion billion would be 27 followed by 27 zeroes, or 27e27. In long form: 27,000,000,000,000,000,000,000,000,000 In words, twenty seven octillion.
Scientifically: It depends on how fast you count . . . most people count at about one number per second, so it might take 1 billion seconds . . . unless you paused or took breaks. Or: A LONG TIME
According to the US "short scale", a billion is 1,000,000,000 or 1 x 109.So 125 billion would be 125,000,000,000.(on the European long scale, there would be 3 more zeroes added to that)
how long did it take to double from 3 billion to 6 billion
100 years
14 Billion years
half a billion years left. But that does not mean that PEOPLE will last that long. ;-)
A billion is 1 followed by 9 zeroes, or 1,000,000,000. 27 billion billion billion would be 27 followed by 27 zeroes, or 27e27. In long form: 27,000,000,000,000,000,000,000,000,000 In words, twenty seven octillion.
Scientifically: It depends on how fast you count . . . most people count at about one number per second, so it might take 1 billion seconds . . . unless you paused or took breaks. Or: A LONG TIME
I would say around 8 billion years. Earth has been around for 5 billion years, and the universe has existed for only 13 billion. In other words, A LONG< LONG< time The universe has existed for 14 billion years. God!!
a long time
About 5 billion years.
1000 billion / 4.5 billion = 1000/4.5 = 222.22... years.
According to the US "short scale", a billion is 1,000,000,000 or 1 x 109.So 125 billion would be 125,000,000,000.(on the European long scale, there would be 3 more zeroes added to that)
In the US and for most uses in the UK, the number of zeros is 18 (eighteen).1,000,000,000 x 1,000,000,000 = 1,000,000,000,000,000,000The name for a "billion billion" is a quintillion, 1 x 1018.(Under the "long scale" traditionally used, a billion was a million million, which is a trillion on the short scale. On the long scale, a billion billion would have 24 zeros.)