select the one that says "no, the estimate should be higher."
You could use the equation
+4+(-4)=0 if:
-you earn $4 and spend it
-buying 4 candy bars then eating them
-earning 4 points then losing them
Answer (2,-5) when it is reflected across x=3
It is not because 30×10^4 is 300,000.
The answer would then be...
30×10^5
Hope this helps!
