When rounding you look at the number right after the one you want to round. The tenth place is the one right after the decimal. If the number after it is more than five it goes up by one, it it's less than five it stays the same. So since the number after the 8 is a 3 it stays the same.
The answer is 7.8
Answer:
divide the mass value by 1e+8
Answer:
Name one organ or organ system in the human body that relies upon voltage to function properly.
BRAIN
Explanation:
The brain works with the passage of signals in form of neurons to all part of the body. The brain interprets every signals sent from all part of the body and respond by passage of signals in neuron form to deliver to the recipient part of the body