Find the area of the rectangle.

0.2 square feet

Step-by-step explanation:

In order to find the area of a rectangle, you multiply the length and the width.

In this case, the length and width are 2 feet and 1/10 feet.

So, we multiply 1/10 and 2.

All you have to do to find 1/10 times 2 is ask "what is 2 of 1/10?"

Well, if you have 1/10 2 times, that would be 2/10.

2/10 can also be written as the decimal 0.2

So, the area is 0.2 ft

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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6 cm

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