Logo

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

Last Updated: 24.06.2025 09:39

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

and for binary would be

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

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)

Google Confirms Most Gmail Users Must Upgrade All Their Accounts - Forbes

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

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

1234X

Ananda Lewis chose 'natural' cancer care over conventional treatment. Many others do too -- and it's risky - ABC News

11010X

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

It’s a matter of interpretation.

‘Gas station heroin’ is technically illegal and widely available. Here are the facts - AP News