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3 years ago

6

There are 100 sophomores at the school. 85% of them are good students. What would be the percent of good students at school if (

rounding the answer to the nearest whole number):
ten “F” students were to join this school

1 answer:

klemol [59]3 years ago

7 0

Answer:

77%

Step-by-step explanation:

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The number of pieces per stack after 3 cuts represented by a power expression can be written as $3^{3}$

The number of equal pieces per cut = 3

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<u>Using a power </u><u>expression</u><u> </u><u>:</u>

The number of of equal pieces per cut is raised to a power which represents the number of cuts made

Thus we have $number\: of \:equal\: pieces^{number\: of \:cuts}$

After 1 cut ; $3^{1} = 3$
After 2 cuts ; $3^{2} = 3\times3 = 9$
After 3 cuts ; $3^{3} = 3\times3\times3 = 27$

Therefore, the Number of pieces present in stack after 3 cuts is $3^{3}$

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