what does 3.14 look like on ruler
Thallium has 81 protons. Look on the periodic table. Thallium is number 81. That means it has 81 protons.
Here you find inch and centimeter rulers. Scroll down to related links and look at "Inches and centimeters in comparison".
I looks like they are just called 'Ruler Markings', from everything that I can find. That's all I've known them as.
Look at the metric ruler pictured. Assuming that 0 is visible on the measure and is also the starting point, what is the distance to point D?
A ruler
It look like 1.93
where is .39 on a ruler
0.8 = 8/10 on a ruler
2.5 cm looks like about 1 inch on a ruler
81 27,3 9,3,3 3,3,3,3
i inch
A ruler
0.081
3,3,3,39,3,327,381
1.4 cm is the same as 14 mm on a ruler
1.77 inches