The table below shows the most common prefixes and their relative magnitudes. Note that web browsers do not support use of superscripts and subscripts very well, so the notation 10^ 2 means 10 to the power of 2, or 10 squared.Similarly, the notation 10- 2 should be read as 10 to the power of -2.lways put a space between the number and unit, e.g., 203.65 m, 457 um pH: The proper method for reporting pH is to place the unit before the number (pH 7); never insert the word of between the unit and number and avoid splitting the unit and number within a sentence-they should always go together.
Any elements in the sun 's atmosphere other than hydrogen or helium were provided by earlier supernovas that exploded before the sun formed.The hydrogen and much of the helium â¦ in the sun 's atmosphere originated directly in the big bang and have not changed since then.Some of the helium in the sun 's atmosphere passed up in convection currents ...
What are the four main gases in the atmosphere? Answer The Earth's atmosphere contains roughly by volume: 78.08% nitrogen 20.95% oxygen 0.93% argon 0.038% carbon dioxide and trace amounts of other gases, and a variable amou â¦ nt of water vapor.he main three gases in air are nitrogen, oxygen and inert gases 78% of air is made up of nitrogen, 21% is oxygen, just under 1% is argon and the remaining part is made up o â¦ f other gases such as carbon dioxide and water vapour. + 9 others found this useful.