Convert. If necessary, round to the nearest tenth. (Recall: 1 oz = 28.4 g. and 1 kg. = 1,000 g.)

100 oz
a.
2.8
c.
8.2
b.
28
d.
82

A. 2.8 ;-; -_-

A. 2.8 kg.

Step-by-step explanation:

We have been asked to convert 100 oz to kg.

We know that 1 oz equals 28.4 g.

First of all, we will multiply 100 by 28.4 g to convert 100 oz to grams as:



Now, we will divide 2840 gm by 1000 to convert it in kg as:



Therefore, 100 oz equals 2.8 kg and option A is the correct choice.

answer by(ApusApus in )

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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