Which of the following numbers is a power of 10?
a : 20
b : 500
c : 1.000
d : 1.010

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

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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step-by-step explanation:

part a: 1.08

part b: 27.59

i'm sorry mate, but i am not seeing any figures. i am unable to solve this for you.