Question

find the value of the expression 0.9 · b for b = 7.

Explanation:

Step1: Substitute \( b = 7 \) into the expression

We have the expression \( 0.9 \cdot b \), and we substitute \( b = 7 \), so it becomes \( 0.9 \times 7 \).

Step2: Calculate the product

\( 0.9 \times 7 = 6.3 \).

Answer:

\( 6.3 \)