How many significant figures should the products 62.25 37.4 have

"How many significant figures should the products 62.25 37.4 have?"  Question is unclear.  Did you by any chance mean "How many significant figures should the product of 62.25 and 37.4 have?"    Which number, 62.25 or 37.4, has the fewer number of significant digits?  Use that number of significant digits for your product.  In other words, write the product with three significant digits.

It's cell theory. easy name i would think.