50.4 has three significant digits.
2 significant figures.
The significant figures in a number are the digits that carry meaning contributing to its precision. In the number 0.56, both digits are considered significant because they are not placeholders. Therefore, the significant number of 0.56 is 2.
5400
Four of them.
3.
12,300 has 3 significant figures.
3 significant figures.
3 significant figures.
3 of them.
To round numbers to 3 significant figures, identify the first three non-zero digits from the left. If the digit after the third significant figure is 5 or more, round up the last significant figure. If the digit after the third significant figure is less than 5, keep the last significant figure the same. Trailing zeroes can be kept to maintain the significant figures.
5 significant digits because the 2 zeros are in between other significant digits.
009999991 rounded to 2 significant digits is 1.0e7
2711 rounded to 2 significant digits is 2700
2 of them are significant.
There are 5 significant digits in number 14500. To count for a given number as to how many significant digits does it have, look for the first zero form left and decimal point. For ex sample 0045 has 2 significant digits 0.0045 has 2 significant digits 0.4500 has 4 significant digits.
50.4 has three significant digits.