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2 years ago

12

Paula is cutting lengths of ribbon to decorate her home for a party. She needs 40 pieces of ribbon that are all 4 feet 5 inches

in length. How many total feet of ribbon does she need?

1 answer:

Phantasy [73]2 years ago

5 0

The answer is the first one because 4 feet 5 inches times 40 is 176 feet and 8 inches

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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

The number of cuts made = 3

<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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