1.

This is maths question related to chapter exponents and power

Answer»

\dfrac{3^{-5} \times 10^{-5} \times 125} {5^{-7} \times 6^{-5}}


= 3^{-5} \times 10^{-5} \times 5^3 \times 5^{7} \times 6^{5}


= 3^{-5} \times 2^{-5} \times 5^{-5} \times 5^3 \times 5^{7} \times 2^{5} \times 3^{5}


= 3^{-5+5} \times 2^{-5 + 5} \times 5^{-5+ 3 + 7}


= 3^{0} \times 2^{0} \times 5^{5}


= 1\times 1 \times 5^{5}


= 5^5


ANSWER: 5⁵


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