4, unless the three trailing 0s are for conventional purposes - such as to indicate that the number refers to a monetary amount.
3
The significants of macroeonomics
two. the "5" and "4" are significant
Without the decimal point, there is only a significant figure.
3 significants
There are two significant figures in 59000.
it folds
There are 500 tens in 5000.
5000 of what?
The answer will depend in 5000 WHAT!
It is 5000 pennies.
5000 ÷ 10 = 500