Awooden object from the site of an ancient temple has a carbon-14 activity of 10 counts/min compared with a reference piece of wood cut today that has an activity of 40 counts/min. if the half-life for carbon-14 is 5730 y, what is the age of the ancient wood object? express your answer to two significant figures and include the appropriate units.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

What is the polyatamic ion of thiosulfate