Chapter 1, Problem 1.49E

2. Convert 1.7014 pound to kilograms. Select one: a. 1.7014*2.21 b. 1.7014-2.21 c. 1.7014/2.21 d. 1.7014+2.21

Multiply 0.25 by 20.40  and yor report your answer to the correct number of significant digits. A.5.1 B.5.07 C.5 D.5.068

write each in standard scientific notation a. 1/1033 b. 1/105 c. 1/10-7 d. 1/0.0002 e. 1/3,093,000 f. 1/10-4 g.1/109 h. 1/0.000015

Round off each of the following numbers to the indicated number of significant digits, and write the answer in standard scientific notation. a. 0.0034159 to three digits b. 103.351x 102 to four digits c. 17.9915 to five digits d. 3.365 x 105 to three digits

Conversions: include the correct number of significant digits  a. 1.2 g to ug (micrograms) b. 10.0 cm to in c. 78.9 mg to g

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. 14 of 22

Write these following numbers in scientific notation.

The number 0.00754605000 whenconverted to standard exponential (or scientific) notation becomes ____   a. 7.55 x 103    b. 7.54605 x 10-3   c. 7.54605000 x 10-3   d. 7.54605000 x 103

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