If the number 451 * 623 is completely divisible by 9, then the smallest whole number in place of * will b
Choose the correct choice from the following answers:  A) 4  B) 5  C) 7  D) 6  E) 9
Sum of digits = (4 + 5 + 1 + x + 6 + 2 + 3) = (21 + x), which must be divisible by 9.   x = 6.   6)
<result>D</result>
If the number 451 * 623 is completely divisible by 9, then the smallest whole number in place of * will b