Section t The berg... just how big was it? L Conventional wisdom is that only 5%

Question

Section t The berg... just how big was it? L Conventional wisdom is that only 5% of an iceberg's total voire is visible from the surface. Which of the following unit factors correctly represents this information? a 100 ft' visible iceberg b. 15 g visible iceberg c. o.15 ft visible iceberg d. 5ft' visible iceberg e. 5g visible iceberg f. None of these 2. Witnesses estimate the iceberg's visible volume at 5 x 10° (medium-sized according to the Inter- 5 ft total iceberg 100 ft' total iceberg 100 ft' total iceberg are correct national Ice Patro). Given this information and the information in Question I, what was the total 00 g total iceberg 00 ft total iceberg volume of the iceberg? Give your answer in ft' and omit commas. Please do not express your answer in scientific notation.

Explanation / Answer

1) The correct answer is : d. 15 ft^3 visible iceberg / 100 ft^3 total iceburg

because

we know that

15 % means that 15 / 100

therefore

15 % visible iceburg means that there is 15 ft^3 visible iceberg and there is 100 ft^3 total iceburg.

2) we have

total visible iceburg = 5 x 10^5 ft^3

therefore

total volume = total visible iceburg x ( 100 ft^3 total iceburg / 15 ft^3 visible iceberg )

or

total volume = 5 x 10^5 ft^3 x   ( 100 ft^3 total iceburg / 15 ft^3 visible iceberg )  

or

total volume = 3.333 x 10^6 ft^3

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