Calculate the value of the expression: (0.9² - 0.8²) divided by 1.7 equals ________?
Explanation
The numerator is a difference of squares, which can be factored as (a + b)(a - b). Here, (0.9² - 0.8²) = (0.9 + 0.8)(0.9 - 0.8) = 1.7 × 0.1. Dividing by 1.7, the expression simplifies to 0.1.