An attosecond is an SI unit of time equal to 10 ^ -18 seconds.
Attosecond
a zeptosecond
An attosecond is 1x10-18 seconds
Examples: -- picosecond -- femtosecond -- yoctosecond -- attosecond
Split second, milli, micro, nano, pico, femto, attosecond etc.
V - Think keyboard
V comes before B.
58622 comes 1 before 58623, 58613 comes 10 before 58623.
a millisecond comes before a second
T comes before U, and V comes after U.
699 comes before and 701 comes after