The correct option is D 17810000
0.0178 will result in a proper fraction as the number before the decimal point is non-zero.
Let's convert 0.0178 to its fractional form by shifting the decimal point towards the right.
To get the numerator, shift the decimal point to the far right.
Count the number of times the decimal point needs to be shifted to get the numerator.
Here it is four times.
∴ Denominator is 1 followed by four zeros.