Question 168172
1,430,000 is {{{1.43*10^6}}} in scientific notation
There must be only 1 digit to the left of the decimal point
It's also equal to {{{14.3*10^5}}}, but that would not be
scientific notation
The average monthly bill times 12 would be the average
yearly bill
{{{80*12 = 960}}}
960 = {{{9.6*10^2}}} in scientific notation
The amount received yearly by the city is
{{{1.43*10^6*9.6*10^2 = 13.728*10^8}}}
This is a valid answer, but it's not scientific notation yet
{{{13.728*10^8 = 1.3728*10^9}}} answer