To find the value of 1, you would find what place it is in. It is in the 100,000 place.
Next, you would make all the numbers after it 0. 100,000.
The value of 1 is 100,000.
Answer:
The answer that you are looking for would be

Try that
I won't bore you with the details, but according to my math the answer should be C. 1/2.
It would be 143 because if you were to multiply 100*11 = 1100 so doing the same for 13*11 would equal 143
If they can be multiplied or divided by the same number and they both have the same answer it is equivelent.