The hydrogen ion concentration of a vinegar solution is 0.00010 M. How is this concentration written in scientific notation?
In this problem, there are two significant figures. The final answer should also have two significant figures.
All scientific notation should have a non-zero number, followed by a decimal point to it's right, followed by remaining significant figures after that. The first non-zero number is
Moving the decimal to the right decreases the power of ten. The current number can be expressed as
You can write the final answer by ignoring the initial zeros