Answer:
Step-by-step explanation:
The surface area of a right circular cylinder is given by the formula;
where 
is the height of the cylinder and
is the radius of the cylinder.
We plug in these values into the formula to obtain;
Answer: 26 × 4
Step-by-step explanation: There are 26 letters in the alphabet lettered A through Z.
Deepak is given the choice of picking a four letter password of his liking, using any four letters. Since the letters he uses can be repeated, it is 26 * 4 possibilities, since there are 26 different possibilities of letters from the alphabet he could choose, for 4 times. Also, since letters can be repeated, 26 stays the same. If letters could not be repeated, it would be 26 * 25 * 24 * 23.
Answer: the answe is 7^5
So it’s option 1
Step-by-step explanation:
