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After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.