Question

Simplify the expression in part C, and explain what the number means with regard to the problem.

Answer 1

So basically, multiple the bracket with minus and it gives you +15.8 and 55.75+15.8=71.55 in absolute value so, we remove the absolute value because the value inside is positive so the answer is 71.55

Answer 2

The distance in degrees between the latitude lines of Moscow and Brasilia is 71.55

Explanation: