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Answer:
2/7^2 x 7/2^-3 / { (7/5)^-2}^-4
When the exponents are same , the power will be also same
7/2^-2 x 7/2^-3/{ 7/^-52 }^-4
7/2^6/7/5^8
[Please mark me as brainliest]
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Answer:
Step-by-step explanation:
(2/7)² * (7/2)⁻³ ÷ {(7/5)⁻²}⁻⁴
=(2/7)² * (2/7)³ ÷ (7/5)⁸
=(2/7)² * (2/7)³ * (7/5)⁸
=2²⁺³ * 7⁻²⁻³⁺³ *5⁻⁸
=2⁵ *7³*1/5⁸
=32*343/390625
=10967/390625
=1/35.6
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