Just over half a minute.
It would take nothing
2 per second will take you 4 minutes, ten seconds.
if we know i can math is fun teacher can count to hundred in 25 seconds. then it takes 2.5 bilion seconds to count
That depends on how fast you can count.
1 day, 3 hours, 46 minutes and 40 seconds
The number of seconds it will take is(100)/(the average number of counts you make in one second)
2 billion seconds
Approximately the same amount in seconds.
one trillion seconds.