Just the one and it is 4
2 significant figures.
There are two of them.
The answer to the problem is 2,000 because if you do 4,000,000 divided by 2,000 you get 2,000.
It is 9680
1 significant figure.
4000000
4000000
Just the one and it is 4
One - the zeros are placeholders unless indicated.
Without the decimal point, there is only a significant figure.
1 significant figure. It can also be written as 4x10^6 (one sig fig)
One - the four. None of the trailing 0s are significant digits.
4000000/1000 = 4000
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
4000000 minutes = 6666,66... hours = 2777.77... days
Answer: 4000000 m² = 4 km²