31500
31500.
323.565 rounded to three significant digits is 323.56
31,500
2.99 rounded to three significant digits is 2.96 2.99 rounded to two significant digits is 3.0
16.3
0.0570
6.71 is 6.7050 is rounded to three significant figures.
Three. All non-zero digits are significant, all zeroes between other digits, and all digits to the right of the decimal. The reason for this is that if this is rounded off, it apparently is rounded off to the nearest tenth, otherwise the tenth place would not be shown. if it were rounded off to the unit, it would read 39, not 39.0 ■
Oh, dude, 9999 rounded off to three significant digits is 10,000. Yeah, I know, we're just moving that decimal point around like it's nobody's business. So, if you're into significant digits and all that jazz, there you have it, 10,000.
0.00909 has three significant digits.
Three significant digits.
There are three significant digits in 3.56.