Answer:
81,000
Step-by-step explanation:
go to whatever place it is asking you to round nearest to the if it is 5 or more you round up 4 or less it stays the same.
Saying for this -" 5 or more raise the score, 4 or less let it rest"
^round up^ ^stays the same^
Answer:
18
Step-by-step explanation:
We know:
and
These expressions have an 
term in common. We can combine them if we can find forms of the expressions in terms of :
Now, because 
(by the reflexive property), we can write:
This is our answer, A.
Answer: 17
2^2 is 4
45/9 is 5
Multiply 4•5 to get 20
Subtract 3
D.) Nanometer is the smallest among your options.
It is equal to 10^-9
Hope this helps!
