111.0
11225 g rounded off to 3 significant figures is 11200 g. You drop the 2 and the 5 because they are not significant in this case. It's like saying "bye Felicia" to those extra digits.
0.6942 rounded off to 2 significant figures is 0.69
30,569 rounded off to 1 significant figure is 30,000
To convert the number 0.004758 to three significant figures, we need to round it off appropriately. Identify the significant figures: The given number, 0.004758, has 5 significant figures. Determine the significant figures based on the three most significant digits: The three most significant digits in 0.004758 are 4, 7, and 5. Round the number: Look at the digit immediately after the third significant figure, which is 7. Since 7 is 5 or greater, we round up the third significant figure (5). Apply rounding: The number rounded to three significant figures is 0.00476. Therefore, 0.004758 rounded to three significant figures is **0.00476**.
111.009 rounded to four significant digits is 111.0
1042L rounded off to two significant digits is 1000L. The digit "1" in the hundreds place is the most significant digit, so the number is rounded down to 1000L.
14.587020 rounded to four significant digits is 14.59
31500
0.037
16.3
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 ■
111.0
111.0
1.0e3L
6.71 is 6.7050 is rounded to three significant figures.
0.999 All leading zeros are non-significant.