Question

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

Explanation:

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

The expression is \( 0.9 \cdot b \), so substitute \( b \) with 7: \( 0.9 \cdot 7 \)

Step2: Calculate the product

\( 0.9 \times 7 = 6.3 \)

Answer:

\( 6.3 \)