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klasskru [66]
3 years ago
14

Seven runners are competing in a race in how many different orders can the runners cross the finish line

Mathematics
2 answers:
kolezko [41]3 years ago
7 0

Answer:

5040

Step-by-step explanation:

hope this helps =)

anastassius [24]3 years ago
6 0

You would multiply 7x6x5x4x3x2x1 to get your answer.

 Because there are 7 runners that can get 1st, 6 runners that can get 2nd, 5 runners that can get 3rd, and so on.

7x6x5x4x3x2x1= 5040 different possible combinations.

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How many grams are contained in 0.54 moles of calcium?
Vanyuwa [196]

The number of grams present in 0.54 moles of calcium is; 22 g

We are given;

Number of moles; n = 0.54 moles

Now, Molar mass of calcium is;

M = 40.1 g

Formula for number of moles is;

n = m/M

Where;

n is number of moles

m is mass in grams

M is molar mass

Thus;

0.54 = m/40.1

m = 40.1 × 0.54

m = 21.654 g

Approximately m = 22 g

Read more at; brainly.com/question/5397233

5 0
2 years ago
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5 0
3 years ago
a mail truck travels 82 miles in 412 hours. to the nearest tenth, what was the average speed of the mail truck?
yarga [219]
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8 0
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The cost of C (in dollars) of making n watches is represented by C=15n+85. How many watches are made when the cost is $385?
hichkok12 [17]

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4 0
3 years ago
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-Dominant- [34]

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7 0
4 years ago
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