Question

The unit digit in the sum of first 10 whole numbers​

Answer 1

Answer:

45

Step-by-step explanation:

0+1+2+3+4+5+6+7+8+9+

Answer 2

first 10 whole numbers=0,1,2,3,4,5,6,7,8,9

sum of the numbers=0+1+2+3+4+5+6+7+8+9=45