Respuesta :

The answer would be a) 1.80 x 10-2
It is true that A. 1.80 x 10-2 is the correct answer because

1.80 x 10-2 =.00180
1.80 x 10-4 
=.0000180
1.80 x 10-6 =.000000180
1.80 x 10-8 =.00000000180