Answer:
This is an example of placebo testing.
Step-by-step explanation:
This is an example of placebo testing in which, the two groups are given two substances that are said to have an effect on the condition that is being treated but one of them is the actual medicine that is being tested while the other one has no real effect over the medical condition. But the volunteers are not given information on which of the medicines is real and which is not, so that this does not affect the outcome of the experiment.
I hope this answer helps.
The correct answer is the 4th one - S,T,U,V.
Hope this helps! :)
The first would be yes. The second no, the third no, and the last yes
Answer:

To factor an integer, we need to divide it by the ascending sequence of primes 2, 3, 5
In the end, the number of times each prime divides the original integer becomes its exponent.
Prime number 2 to the power of 2 equals 4 .
Prime number 3 to the power of 1 equals 3 .

Result:- 
<u> OAmalOHopeO</u>
Step-by-step explanation:
surface area of cylinder =
2πr(r+h)
2×<u>2</u><u>2</u>×7(7+5)
7
44(7+5)
44(12)
528