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MrRa [10]
2 years ago
6

What is 2/19 as a percentage? Give your answer rounded to one decimal place.

Mathematics
2 answers:
Tresset [83]2 years ago
6 0

Answer:

10.53%

Step-by-step explanation:

The first step is to divide 2 by 19 to get the answer in decimal form: 2 / 19 = 0.1053 Then, we multiplied the answer from the first step by one hundred to get the answer as a percentage: 0.1053 * 100 = 10.53%

Goshia [24]2 years ago
3 0

Answer:

11%

Step-by-step explanation:

Divide 2 by 19 and then move the decimal place twice to the right. It should be 10.5 but if rounded it becomes 11 so 11%

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3 years ago
kelly has $50 in her checking account. she wrote a check for $75.00 which means that she’s overdrawn by $25. if she deposits $13
Zarrin [17]

Answer:

$120.50

Step-by-step explanation:

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3 years ago
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seropon [69]
1/4 of 20 is 5.

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8 0
3 years ago
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5 0
3 years ago
Sodium-24 has a half-life of 15 hours. how many grams of a 900 g sample will remain after 90 hours
raketka [301]

Answer: Option 'B' is correct.

Step-by-step explanation:

Let the initial concentration be

N_0=900\ g

Let concentration after t= 90 hours be N

Since we have given that Sodium-24 has a half life of 15 hours i.e.

t_{\frac{1}{2}}=15

So, According to question,

\text{ Number of half lives }=\frac{t}{t_{\frac{1}{2}}}\\\\\text{ Number of half lives }=\frac{90}{15}\\\\\text{ Number of half lives }=6

As we know that

\frac{N}{N_0}=(\frac{1}{2})^n\\\\N=N_0\times (\frac{1}{2})^n\\\\N=900\times (\frac{1}{2})^6\\\\N=\frac{900}{64}\\\\N=14.0625\ g

Hence, Option 'B' is correct.

4 0
3 years ago
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