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

Last Updated: 30.06.2025 03:42

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

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

11010X

1234X

What can you do if you are a full-grown adult, but never experienced being a child?

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

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

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

Will Colapinto replace Doohan as second driver at Alpine Team during the 2025 season or is just a rumour of Argentine press?

It’s a matter of interpretation.

and for binary would be

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)

Toyota Industries' shares nosedive on $33 billion buyout deal — steepest fall in 10 months - CNBC