Multiple choice general knowledge science & technology 0.1+0.1 is?? 2 0.2 0.1 001 Reveal answer Fill a bubble to check yourself B Correct answer Explanation When adding 0.1 and 0.1, we simply add the numbers: 0.1 + 0.1 = 0.2. This is straightforward decimal addition where we align decimal points and add the values.