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Pepsi [2]
3 years ago
15

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. Wha

t is the total mail delivered for these two months?
Mathematics
2 answers:
ICE Princess25 [194]3 years ago
3 0
I assume that the numbers are supposed to be written as 7.14 x 10^10 for December and 3.21 x 10^10. The total mail delivered is the sum of these two numbers.
                         (7.14 x 10^10) + (3.21 x 10^10) = 1.035 x 10^11
Zielflug [23.3K]3 years ago
3 0

answer is really  3.008 x 1020 took the test im late to answer by years

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Can the values be added or subtracted? If one value needs to be converted to another, describe the conversion.
Nastasia [14]
C. the values can be added after making a conversion of units because they both measure length.
8 0
3 years ago
Simplify the expression to a polynomial in standard form:<br> a<br> (-x^2-2x-2)(x^2+x-3)
antiseptic1488 [7]
Answer: -x^4 - 3x^3 - x^2 + 4x + 6

Explanation
7 0
2 years ago
10. You used 8 cups of sugar while baking three dozen cookies and one cake. If you used 1.25 cups of sugar for the cake and the
DanielleElmas [232]

Answer:

I got 5.65

Step-by-step explanation:

36/8= 4.5,  4.5 +1.25= 5.65

8 0
3 years ago
Suppose three riders rode a total of 182 miles. If they used a total of 13 horses, and rode each horse the same number of miles,
umka21 [38]

Answer:

They rode 14 miles before replacing each horse

Step-by-step explanation:

We will be working under the assumption that all three riders sat on one horse at a time and rode it while the other horses rested.

From the problem, we can understand that the horses were each ridden for the same distance. This means that to get the total distance a horse rode before it was changed, we can divide the total distance by the number of horses that were used for the journey.

Distance each horse rode = 182/ 13 = 14 miles.

Therefore, each horse was ridden for 14 miles before it was changed.

5 0
2 years ago
A map uses a scale of 3/4 in = 80 miles. If two buildings are 60 miles apart in real life, how far apart would they be drawn on
Alla [95]

Given:

The scale of a map is \dfrac{3}{4}\ in=80\ miles.

The distance between two buildings is 60 miles.

To find:

The distance between the given building on the map.

Solution:

We have,

\dfrac{3}{4}\ in=80\ miles

It means, 80 miles in real life = \dfrac{3}{4}\ in on the map.

1 mile in real life = \dfrac{3}{4\times 80}\ in on the map.

60 mile in real life = \dfrac{3\times 60}{4\times 80}\ in on the map.

                              = \dfrac{180}{320}\ in on the map.

                              = \dfrac{9}{16}\ in on the map.

Therefore, the buildings are \dfrac{9}{16}\ in apart on the map.

7 0
2 years ago
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