Mathematics, 27.07.2019 08:30 backyardmastrs

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

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The us postal service delivered 7.14 x 1010 pieces of mail in the month of december and 3.21 x 1010...