2
No they do not.
68 cities and the two with with atomic bombs make it imposible to come out whith the real numbers.
7 :)
The US made atomic bombs from 1945 to 1992.
As both atomic bombs and supernovas vary in yield, this question has no single answer.
Atomic bombs- Zero.
2
100
More & higher yield atomic bombs, I guess.
As of august 1945 the US had the industrial capacity to make 3 atomic bombs a month. In november 1945 this would increase to 7 atomic bombs a month. As Japan surrendered before this, the US scaled back production and had only made 9 atomic bombs by the end of Operation Crossroads in the summer of 1946, five of which had been detonated.
Atomic bombs were dropped in WWII
Yes, uranium can be used in atomic bombs.