91Ó°ÊÓ

A woman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces(two significant figures). What are these specifications in units of centimeters and grams?

A barrel of oil is exactly 42 gal. How many liters of oil are in a barrel?

The diameter of a red blood cell is about 3 × 10^-4 in. What is its diameter in centimeters?

The distance between the centers of the two oxygen atoms in an oxygen molecule is 1.21 × 10^−8 cm. What is this distance in inches?

Is a 197-lb weight lifter light enough to compete in a class limited to those weighing 90 kg or less?

A very good 197-lb weight lifter lifted 192 kg in a move called the clean and jerk. What was the mass of theweight lifted in pounds?

Many medical laboratory tests are run using 5.0 μL blood serum. What is this volume in milliliters?

Which molecule has a molecular mass of 28.05 amu?

(a) \({\rm{HC}} \equiv {\rm{CH}}\)

(b)

(c)

Use scientific (exponential) notation to express the following quantities in terms of the SI base units in Table1.3:

(a) 0.13 g

(b) 232 Gg

(c) 5.23 pm

(d) 86.3 mg

(e) 37.6 cm

(f) 54 μm

(g) 1 Ts

(h) 27 ps

(i) 0.15 mK

Complete the following conversions between SI units.

(a) 612 g = ________ mg

(b) 8.160 m = ________ cm

(c) 3779 μg = ________ g

(d) 781 mL = ________ L

(e) 4.18 kg = ________ g

(f) 27.8 m = ________ km

(g) 0.13 mL = ________ L

(h) 1738 km = ________ m

(i) 1.9 Gg = ________ g