The first option is

The second option is

So, neither of them is equivalent to 
Answer:
434.9
Step-by-step explanation:
× π (4.7)²
434.893
Answer: yes.
Step-by-step explanation: i dont really get this one so i just said yes
Anything raised to exponent 0 equals 1
So

So we get

There are 30 students in the classroom; 40% are men and 60% are women. How many men and women are in the classroom?
40/100 = 2/5 60/100 = 3/5 30 ÷ 5 = 6 3 × 6 = 18 so 18 are women 2 × 6 = 12
so there are 12 men.