Answer:
D is true
Explanation:
Lets look at all options.
Option A is not true because 0.004 is greater than 0.0038 by 0.0002 and 0.004 is not less than 0.0038
Option B is not true because 0.075 is not equal to 0.00749 in fact it is 0.001 greater than 0.0749.
Option C is not true because 0.5001 is greater than 0.4731 by 0.001 and not less than 0.4731
Option D is true because 0.7910 is equal to 0.791 and the only difference is the significant figures. 0.7910 has four significant figures and 0.791 has three significant figures.