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Mariulka [41]
3 years ago
13

What are the prime factor of 625 a. 25.25 b.1,5,5,5,5 c.5,5,25 d.5,5,5,5

Mathematics
2 answers:
Natalka [10]3 years ago
3 0
<span>d.5,5,5,5. A prime number is a number only divisible by 1 and itself. 1 is not a prime number.</span>
mario62 [17]3 years ago
3 0
       625
         ∧
  25   ×   25
   ∧          ∧
5 × 5 × 5 × 5

The answer is D.
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Answer:

t = 6162  years

Step-by-step explanation:

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The equation to use is that for carbon decay:

N(t)=N_0\,e^{-0.0001\,\,t}

If the skull contains 54% of its original amount of C14, then that means that :

N(t)=0.54 \,\,N_0

we use this to solve for the time (t) in our equation:

0.54\,\,N_0=N_0\,e^{-0.0001\,\,t}\\\frac{0.54\,\,N_0}{N_0}=e^{-0.0001\,\,t}\\0.54=e^{-0.0001\,\,t}\\ln(0.54)=-0.0001\,\,t\\t=\frac{ln(0.54)}{-0.0001} \\t=6161.86\,\,years

which rounded to the nearest year as requested gives :

t = 6162  years

8 0
3 years ago
How to change the following improper fraction to a mixed number 88/36
frosja888 [35]

Answer:

2 16/36

Step-by-step explanation:

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4 0
3 years ago
4/7 divided by 1 3/4
poizon [28]

Answer:

16/49

Step-by-step explanation:

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4/7 ÷ 7/4

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4/7 * 4/7

16/49

Hope this helps :)

7 0
3 years ago
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ipn [44]

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Step-by-step explanation:

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7 0
3 years ago
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lana66690 [7]

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SAS

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
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