Questions: 19. What is the sum of the digits of the greatest 3-digit whole number and the digits of the smallest 4-digit whole number? A) 27 B) 28 C) 36 D) 37

19. What is the sum of the digits of the greatest 3-digit whole number and the digits of the smallest 4-digit whole number?
A) 27
B) 28
C) 36
D) 37
Transcript text: 19. What is the sum of the digits of the greatest 3-digit whole number and the digits of the smallest 4-digit whole number? A) 27 B) 28 C) 36 D) 37
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Solution

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Solution Steps

Step 1: Identify the greatest 3-digit whole number

The greatest 3-digit whole number is \( 999 \).

Step 2: Identify the smallest 4-digit whole number

The smallest 4-digit whole number is \( 1000 \).

Step 3: Calculate the sum of the digits of both numbers
  • Sum of the digits of \( 999 \): \( 9 + 9 + 9 = 27 \).
  • Sum of the digits of \( 1000 \): \( 1 + 0 + 0 + 0 = 1 \).
  • Total sum: \( 27 + 1 = 28 \).

Final Answer

\(\boxed{28}\)

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