Answer:
the answer would be 4
Explanation:
when you multiply you add so just see the difference of -6 and 2
2 x 10^-4.
2.8 x 10^-6 / 1.4 x 10^-2
= 2.8 / 1.4 x (10^-6 / 10^-2)
= 2 x 10^-4.
