302.05
101.01 has exactly five significant figures.
102.03
302.05
203.05
This number has five significant figures.
12.5912
That one has five.
306.54
There are five significant figures in the number 65321.
Five. A number with only five digits, such as 10600, with a non-zero left hand digit (the number 1 in this case) has five significant figures.
The last five digits are significant figures
There are 5 significant figures in 70700 as the zeros are between and after the numbers.