simply:
please help me to solve the problem
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Step-by-step explanation:
1. (5/2)⁵ ÷ (2/5)³
= 5⁵/2⁵ × 5³/2³
= (5⁵×5³)/(2⁵×2³)
= (5^5+3) / (2^5+3)
= 5⁸/2⁸
= 390625/256
2. (a⁴×b⁵×c⁷) / (c⁸×a⁴×b³)
= (a^4 - 4) × (b^5 - 3) × (c^7-8)
= a⁰ × b² × c^-1
= ( 1 × b² ) / c
= b²/c
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