Question

what should be added to 2.1 to get 10

Answer 1

7.9 is the answer my dear sweet friend and mark my answer as the brainliest.
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Answer 2

Let the number be x

2.1 + x = 10
x = 2.1 - 10
x 7.9


Therefore, 7.9 must be added to get 10


Hope this helps....