Answer: 1/200
Step-by-step explanation: Using the place value chart, we can see that 0.005 means five-thousandths which can be written as the fraction 5/1000. Notice however that 5/1000 is not in lowest terms so we divide the numerator and denominator by 5 to get 1/200.
Therefore, 0.005 can be written as the fraction 1/200.