Answer:
nvm im wrong
Explanation: There is no explanation needed.
Answer:
11,700
Explanation:
Since the exponent is negative you move the decimal point to the right.
An object that is traveling around another body in space is in ORBIT around that body
Yes, it can - HBr is its chemical formula.
If you had other options though, then the one which wouldn't be a valid chemical formula is aluminum (III) chloride, because, since it only has one charge (+3), it is unnecessary to state it as III.