Answer:
is scientific notation of 78 billion
Step-by-step explanation:
For scientific notation , follow the following notation:
-------->(equation 1)
Let,
In standard form

or

As decimal point move 10 places from right to left, therefore
b = 10
Put the value of 'a' and 'b' in (equation 1)
is scientific notation of 78 billion
Answer:
k=86
Step-by-step explanation:
Easily done! Just do -56 divided by -7 but just remember two negatives equal a positive. So your answer would be 8!
60 explination, its pretty simple