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If 1+2+2^2+...+2^(n-1)=255 then find n...

If `1+2+2^2+...+2^(n-1)=255` then find n

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If the sum 1+2+2^2+......+2^(n-1) is 255, then find the number of terms.

If the sum of 1+2+2^(2)+ . . . . . . . . . .+2^(n-1) is 255, find the value of n.

If "^(2n+1)P_(n-1):^(2n-1)P_n=3:5, then find the value of n .

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If ^(2n+1)P_(n-1):^(2n-1)P_(n)=3:5, then find the value of n.

Find the remainder when 2^0+2^1+2^2+...+2^255 is divided by 255.

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