# 1. Compute, in centimeters and in meters, the height of a basketball player who is 6 ft 10 in. tall.

1. Compute, in centimeters and in meters, the height of a basketball player who is 6 ft 10 in. tall.
________________ cm

_________________m

2. Compute the density in g/cm3 of a piece of metal that has a mass of 0.490 kg and a volume of 78 cm3.
________________g/cm3

3.Round the following numbers to two significant figures.

(a)
7.01

(b)
0.00100

(c)
9100.

(d)
0.000321
4. Water is sold in one and a half liter bottles.

What is the mass, in kilograms, of the water in such a full bottle?

___________________kg

What is the mass, in grams, of the water in such a full bottle?

____________________g

5. A rectangular container measuring 23 cm ⨯ 38 cm ⨯ 57 cm is filled with water. What is the mass of this volume of water in kilograms and grams?
________________kg
________________g

6.Currently, the tallest building in the world is the Burj Khalifa (with 160 stories) in Dubai, United Arab Emirates, which is 828 m tall. Previously, the tallest was the Taipei 101 skyscraper (with 101 floors) in Taiwan, which is 508 m tall.

Referring to the information above, how much shorter in feet is the Taipei 101 than the Burj Khalifa?

____________________ft

7.Compute the density in g/cm3 of a piece of metal that has a mass of 0.490 kg and a volume of 78 cm3.
_________________g/cm3

8.In the figure below, is the conversion on the sign exact? Justify your answer.

Maximum             was       Maximum

80                                             50

km/h                                      M.P.H

THINKmetric

Yes, the unit conversion for 80 km/h is exactly 50 mph.

No, the unit conversion for 80 km/h is close to 50 mph but not exact.

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