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Oduvanchick [21]
2 years ago
8

CAN SOMEONE PLEASE HELP ITS DUE TODAY

Mathematics
2 answers:
nikdorinn [45]2 years ago
7 0

Answer:

n = 6

Step-by-step explanation:

\frac{ {5}^{n}  \times  {5}^{3} }{ {5}^{7} }  =  {5}^{2}  \\  \\  \implies \: \frac{ {5}^{n + 3}  }{ {5}^{7} } =  {5}^{2} \\  \\  \implies \:  {5}^{n + 3 - 7}  =  {5}^{2} \\  \\  \implies \:  {5}^{n  - 4}  =  {5}^{2} \\  \\  \implies \:n - 4 = 2 \\  \\   \implies \:n = 4 + 2 \\  \\  \implies \:n = 6

rodikova [14]2 years ago
4 0

\qquad\qquad\huge\underline{{\sf Answer}}♨

Let's solve ~

\qquad \sf  \dashrightarrow \: \frac{5 {}^{n}  \times  {5}^{3} }{5 {}^{7} }  =  {5}^{2}

\qquad \sf  \dashrightarrow \: \frac{5 {}^{n + 3}    {}^{} }{5 {}^{7} }  =  {5}^{2}

\qquad \sf  \dashrightarrow \:5 {}^{n + 3 - 7} =  {5}^{2}

\qquad \sf  \dashrightarrow \:5 {}^{n - 4} =  {5}^{2}

\qquad \sf  \dashrightarrow \:{}{n - 4} =  {2}

\qquad \sf  \dashrightarrow \:n = 2 + 4

\qquad \sf  \dashrightarrow \:n = 6

Hence, value of n is 6

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