Answer:
0.000071
Explanation:
The given number that is given in scientific notation is, [tex]N=7.1\times 10^{-5}[/tex]............(1)
We need to write this number in standard notation. A number can be written in scientific notation as :
[tex]N=a\times 10^b[/tex]..........(2)
In standard notation, [tex]N=7.1\times 10^{-5}=\dfrac{71}{10}\times 10^{-5}[/tex]
[tex]N=\dfrac{71}{10^{6}}=0.000071[/tex]
So, [tex]7.1\times 10^{-5}[/tex] is equivalent to [tex]0.000071[/tex]. Hence, the correct option is (d)