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What is the sum of X+XX+XXX+XXXX?

10.06.2025 07:25

What is the sum of X+XX+XXX+XXXX?

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,

as would be assuming that these are representations of conventional numbers, in which case the answer for number bases of five or more would be

*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour

Catch Jupiter and Mercury side by side in the evening sky this week - Space

Given the use of upper case, I personally would initially assume Roman numerals*, so the answer would be C (100 in present-day decimal notation)

and for binary would be

What is the sum of X+XX+XXX+XXXX?

Everyone says the pet population is out of control. Everyone says you MUST spay or neuter your pets. No one wants to talk about how its almost $1,000 to spay or neuter a pet. Why is it so expensive if its so necessary? Animal shelters do it for free.

It’s a matter of interpretation.

1234X

11010X

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