How do you write #(1.68 times 10^-1) / (3 times 10^4)# in standard form?
You can do this in two ways: First the standard forms and then the division, or the other way around. I prefer the second.
Rules of division: divide the numbers, subtract the 10-powers:
Since the 10-power is negative, we move the decimal point 5 to the left:
The other way would be: