Question

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 someone help fastt!

Answer 1

The correct answer for this problem is

d) 1.035 x 10^11

Explanation:

I know this because I just did the test

Answer 2

The postal service delivered:

7.14 × 1010 pieces of mail in December

3.21 × 1010 pieces of mail in January

Total number of mail delivered is;

(7.14 + 3.21) × 1010

= 10.35 × 1010

= 1.035 × 10100 (in one decimal point form)