Introductory Chemistry For Today
8th Edition
ISBN: 9781285644561
Author: Seager
Publisher: Cengage
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A. Type the number 1340000 in scientific notation.
B. Type the number 0.000354 in scientific notation.
C. Type the number 3.14×103 in standard notation.
It is known that the density of mercury is 13.54 times the density of water. What volume of this mercury in liters would weigh the same as 0.020m^3 of fuel oil, when the fuel oil weighs 9.42kN for every cubic meter?
a. 71
b. 1.42
c. 1.7
d. 2.4
33. Round off each of the following numbers to the indicated num-
ber of significant digits and write the answer in standard scien-
tific notation.
a. 0.00034159 to three digits
b. 103.351 × 10² to four digits
c. 17.9915 to five digits
d. 3.365 10° to three digits
34. Use exponential notation to express the number 385,500 to
a. one significant figure.
b. two significant figures.
c. three significant figures.
d. five significant figures.
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