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aalyn [17]
3 years ago
8

PLEASE HELP ME! (answer the question and don't just take the points)

Mathematics
1 answer:
Crank3 years ago
5 0
A. 355, it's the smallest amount you need.

b. 71*2*2.5... don't think this is right, I'm so sorry
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2 questions in one.<br> Help?..
daser333 [38]

Answer:

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{ ({5}^{4} ) }^{m}  =  {5}^{12}  \\  =  >  {5}^{4m}  =  {5}^{12}  \\  =  > 4m = 12 \\  =  > m =  \frac{12}{4}  \\  =  > m = 3 \\  \\ number \: of \: books \: at \: library \\  =   {({4}^{9})}^{5}   \times  {4}^{0}  \\  =  {4}^{45}  \times 1 \\  =  {4}^{45}

4 0
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Read 2 more answers
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