0.001 (option A)
Step-by-step explanation:
The mass of a paper clip is about 1g. We are to find the value of 1g in kg

We convert from gram to kg
let the value of 1g in kg = x
1000g = 1kg
1g = x
cross multiply:
x(1000) = 1(1)
1000x = 1
divide both sides by 1000:

The options are in decimals we need to 1/1000 to decimal:

