I believe the answer is californium because it is used in most metals and is very strong and expensive like gold and silver
You answer would be C. Ernest Rutherford.
Since there is no decimal point in the number given above, the counting for the number of the significant figures will start from the left. Then, the first zero from the left is insignificant. Therefore, in this number there are 6 significant figures.
Where are the pictures or options?