A yottasecond is a unit of time equal to 1024 seconds.
There are one quindecillion (10^48) yoctoseconds in a yottasecond.
It is Meter , M
Nothing. The SI is the current metric system.AnswerThe 'metric' system is a generic name for a number of different systems based upon multiples of 10. The current, rationalised, metric system is called SI. Previous versions included the mksA (metre, kilogram, second, ampere) system and the cgsA (centimetre, gram, second, ampere) system.