DaleCooper
Established Member
More than that.2,000,000 ?
More than that.1,000,000
Not that many fortunately.Ten to the power of 20?
More than that.2,000,000 ?
More than that.1,000,000
Not that many fortunately.Ten to the power of 20?
More than that and that's not an average human being.7,452,758 for a thirty-five year-old male weighing 190 lbs, 5’11” tall, balding and with halitosis.
Still a bit low but full marks for your maths.10^+11 x 6.023/239 - I will round so 6/240 = 1/40 x 10^11 so 1/4 x 10^10 = 0.25 x 10^10 = 2.5 x 10^9 - so approx 2.5 billion ?
You should have stuck with this answer because...I will guess at 1 picogram = 1 x 10^12 grams so 1 x 10^-12 / 239 (I will go for a fairly common isotope atomic weight) moles so
1 x 10^-12 / 239 x Avogadro 6.023 x 10^23 - simplifies to 10^+11 x 6.023/239 - I will round so 6/240 = 1/40 so 1/4 x 10^+11 = 2.5 x 10^10 = 25 x 10^9 - so approx 25 billion ?
That's within one order of magnitude, the answer I have is 180 billion. Your turn...100 billion
(300 fmol = 1.8 x 10^11 atoms approx.)It has been calculated that the human body has always carried a base load of, perhaps 103–105 atoms (< 0.2 amol) of natural plutonium. Since 1945, the release of 239Pu into the environment from atmospheric nuclear weapons testing has added to this base load a civilization-related load which, at ≈ 300 fmol, is at least 5 order of magnitude greater.

NopeHaakon?
He was the previous king.Olaf?
Correct!Harald.
Not the Matterhorn.Matterhorn?
It is at Garmisch.The one at Garmisch. Tallest mountain in Germany. Can’t remember the name. Begins with a Z I think
Staying in Germany, what's unusual about most of the streets in the centre of Mannheim?
All in a grid pattern?
CobbledStaying in Germany, what's unusual about most of the streets in the centre of Mannheim?
Cobbled
Was the game of "Battleships" invented there?