What is the sum of X+XX+XXX+XXXX?
Last Updated: 29.06.2025 01:05
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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)
11010X
Joni Ernst Issues Non-Apology for Joke About People Dying Due to GOP Medicaid Cuts - Rolling Stone
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?
It’s a matter of interpretation.
Sean ‘Diddy’ Combs is facing trial — and these eccentric sketch artists - The Washington Post
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
and for binary would be
1234X
Vitamin B3 Pill Rewinds Premature Aging in Groundbreaking Human Trial - SciTechDaily