3000
It is 2841.
The correct answer is 3,205
8.000
It is 0.86345, none of which are zero.
That rounds to 40.
It is 72.
70
The correct answer is 3,205
8.000
The correct answer is 1
0.64 can be rounded to 1 * * * * * But the greatest place value for a non-zero digit is the tenths.
The greatest non-zero place is the hundredths place, and so it is 8.23, exactly as in the question.
It is 0.86345, none of which are zero.
To the nearest ten, 70
4841
0.05
0.5
200