The unit's digit of the number `(1+9 + 9^2+9^3+........+9^2018)` is
385 views · Published 13 October 2018 · 3:30 · Indexed 1 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW The unit's digit of the number `(1+9 + 9^2+9^3+........+9^2018)` is
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