It is 518400000000 ur welcome
The range is the highest number minus the lowest number
98 - 13 = 85 <==
4/10 and 4/100 are the same because all you had to do was multiply both the numerator and denominator by 10. It is still the same amount. Hope this helps!
12x+30+4
12x+34
This is 12x + 34 because when we combine all like terms, we get it.
