Are you sure your question starts with Why?
I believe it should start with what, if so then Z is the 100's
For your info: N is the thousand's, Z the hundred's, Q tenth & R the unit
Answer:
The coordinates of H are (-4,1).
Step-by-step explanation:
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