Math, asked by AFARZ, 5 months ago


Find the value of 'n' if: [(2/5)7=(2/5) n+7.

Answers

Answered by chopadepapu
2

2n-7×5n-⁴ =1250

2n-7×5n-7×5³=1250

= (2×5)n-7=1250/125

= 10n-7=10¹

= n-7=1

= n=7+1=8.

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