Question

what is the total when you add all the digits from 1 to 9​

Answer 1

Answer:

45

is the answer

Mark me as BRAINLIST answer please

Answer 2

Answer:

45

Step-by-step explanation:

1+2+3+4+5+6+7+8+9=45

sum of n natural number starting from 1 = $\frac{n(n+1)}{2}$   where n is the last number

= $\frac{9.10}{2}$= 9.5=45 ANS

plz mark as brainliest