Question 759165
place the decimal point between the first two digits to get 1.674


Then count the number of spots you need to move the decimal to go from 1.674 to 16,741,646,617,355.29


You have to move the decimal 13 spots to the right, so 


16,741,646,617,355.29 = <font color="red">1.674 x 10^13</font>