Find the sum of the numbers. Express your answer in scientific notation. (1.83 times 10 Superscript 13 Baseline) + (6.4 times 10 Superscript 11)

6.4183 times 10 Superscript 11
8.23 times 10 Superscript 12
1.894 times 10 Superscript 13
2.471 times 10 Superscript 13

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite