The contents of a cell in a spreadsheet are shown below.

The notation "5.9100765E-7" is in scientific notation, which means \(5.9100765 \times 10^{-7}\).

To convert it to a decimal:

1. Move the decimal point 7 places to the left (because of the negative exponent):
   • Start with 5.9100765
   • Moving the decimal 7 places to the left results in: 0.00000059100765

So, the number represented is approximately \(0.000000591\).

Therefore, the answer is: C. 0.0000005910