evaluate 25×a^-5/5^-3×10×a^-5 at a=2
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Answer:
15625/512
Step-by-step explanation:
25×a-⁵/5-³×10×a-⁵ a=2
=> 25 × a-⁵/1 × 1/5-³ × 10 × a-⁵
=> 25 × (1/a)⁵ × (5/1)³ × 10 × (1/a)⁵
=> 25 × (1/2)⁵ × 5³ × 10 × (1/2)⁵
=> 25 × 1/32 × 125 × 10 × 1/32
=> 25 × 1/32 × 125 × 5 × 1/16
=> 25/32 × 625/16
=> 15625/512
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