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ki77a [65]
2 years ago
8

I need help please?!!!

Mathematics
2 answers:
poizon [28]2 years ago
8 0

Step-by-step explanation:

\bigg( \frac{ {7}^{ - 3} }{10}  \bigg)^{ - 2}  \\  \\  =  \bigg( \frac{ 10}{{7}^{ - 3} }  \bigg)^{ 2}  \\  \\  =  \bigg( { 10 \times{7}^{  3}  } \bigg)^{ 2}  \\  \\  =  \bigg( { 10^{ 2}  \times{7}^{  3 \times 2}  } \bigg)  \\  \\  = {7}^{  6}   \times 10^{ 2}

Vadim26 [7]2 years ago
7 0

Answer:

Step-by-step explanation:

(\frac{7^{-3}}{10})^{-2}=\frac{7^({-3*-2})}{10^{-2}}\\\\=\frac{7^{6}}{10^{-2}}\\\\=7^{6}*10^{2}

(a^{m})^{n}=a^{m*n}\\\\\frac{1}{a^{-m}}=a^{m}

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