The us postal service delivered 7.14 x 1010 pieces of mail in the month of december and 3.21 x 1010 in the month of january. what is the total mail delivered for these two months? a) 1.035 x 109 b) 1.035 x 1010 c) 1.035 x 10-10 d) 1.035 x 1011

The correct option is:  D)

Explanation

Number of mails delivered in the month of December

and number of mails delivered in the month of January

For finding the total number of mails delivered for these two months, we need to add and

So, the total mail delivered for these two months is

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

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step-by-step explanation: