Organism A has a length of 4.9512 x 10 with an exponent of -15 , while organism B has a length of 9.999 x 10 with an exponent on -18 . which organism iis longer ?
A is MUCH larger as it is a decimal leading with 14 zeros while B is a decimal with 17 leading zeros. A is something on the order of 500 times larger than B