Answer:
28
Step-by-step explanation: It’s simple. For every 50 students, there’s 7 birthdays in March. So 1400 divided by 50 equals 28
Multiplying positive numbers always comes out positive, no matter how many there are. So you can forget about the positive ones.
Every two negative numbers in a multiplication produce a positive.
Another way to say that is: If the number of negative ones is EVEN,
the answer is positive, and if it's ODD, the answer is negative.
That monster product of eight numbers in problem #12 will be negative,
because there are an odd amount of negative factors in it.
I believe that it is 24.99 but I'm not too sure. Anyways I hope I helped!
The surface area is all the areas of all the exterior faces in a 3D shape.
Doing all the possibilities, 4 * 5 * 2 , 5 * 7 * 2, 4 * 7 * 2 = total surface area
40 + 70 + 56 = 166 m^2
The answer is 2. 166 m^2