ILL MARK BRAINLEST Find the surface area of the cylinder with a base radius of 6.8 cm and a height of 2 cm. Use π ≈ 3.14, and round to the nearest hundredth

375.795cm2

Step-by-step explanation:

To find the area of a cylinder, you'd use the formula:

2πr^2+2πrh

You can just plug in the numbers in this scenario in order to find your answer.

In this scenario, it would look like this:

(2 x 3.14 x 6.8 x 6.8)+ (2 x 3.14 x 6.8 x 2)

You'd then work out what is in each bracket:

(290.387)+(85.408)

Finally, you'd get the answer of 375.795cm2

Hope this helps!

f

step-by-step explanation:

f

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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