Math, asked by AnkitSarkar, 1 year ago

find n in the above problem??

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Answers

Answered by sandy194
1
2^ n-7 × 5 ^n-4 = 1250

2^ n-4 × 2^-3 × 5 ^ n-4 = 2^1 × 5^4

2^n-4 × 5^n-4 /2^3 = 2^1× 5^4

(10)^n-4 = ( 10)^4

n-4 = 4

n = 4+4

n = 8


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