C. 6.81x10^-4
It is negative 4 because the 6 is 4 digits away from the first 0.
Scientific notation has one number and then the decimal place so it can not be A or E.
Answer:
the development of GPS and GIs technology helped the public transportation system in two ways: - First, it is easier for both drivers or passengers to locate the place that unfamiliar to them, which will reduce the cost and the time for travel.
Answer:
Yes,
Explanation:
Africa is poor country. There are many people live with family so hard.American regions population ruch man.
The percentage of the increase of iron is 50% because it increased by 0.6 and that's 50% of 1.2mg
Scientists now know all know that the earthquakes are caused by faults and they look at the ground for this activity, thus means that by doing this they knew more and more of the earth.
