Answer:

Step-by-step explanation:
The given expression is

Where
and
.
When we say "evaluate the expression" refers to replacing the given values in the expression. Then, we solve each power in the numerator and denominator. After that, we solve each product in the fraction. At the end, we apply the square power. As follows

Well, you would first divide 3÷ 3.15 Do you know what that would give you?
Answer:
Step-by-step explanation:
Number of students in electronics, 1/4 of the total
Number of students in architecture, 1/6 of the total
The difference is