Question

evaluate the expression when b = 4. b·9

Explanation:

Step1: Substitute \( b = 4 \)

Replace \( b \) in the expression \( b \cdot 9 \) with 4, so we get \( 4 \cdot 9 \).

Step2: Calculate the product

Calculate \( 4 \times 9 = 36 \).

Answer:

36