Directions: Solve the following problems. Write your answers in a clean sheet of paper andtake a picture. Upload the picture in the activity portal of the LMS.Part 1.45. Express each of the following numbers in exponential notation with correctsignificant figures:(а) 704(e) 1000.00(c) 547.9(g) 0.007157(b) 0.03344(f) 0.0000000651(d) 2208649. How many significant figures are contained in each of the followingmeasurements?(a) 53 cm(e) 10.0613 m³(b) 2.05 × 10° m(f) 0.17 g/mL(c) 86,002 J (d) 9.740 × 10ª m/s(g) 0.88400 s51. Round off each of the following numbers to two significant figures:(a) 0.436(e) 1.497 × 103(b) 9.000(f) 0.445(c) 27.2(d) 13553. Perform the following calculations and report each answer with the correctnumber of significant figures.(а) 628 х 342(d) 8119 x 0.000023 (e) 14.98 +27,340 + 84.7593(b) (5.63 × 107) × (7.4 x 10')(c) 28.0/13.483(f) 42.7 + 0.259Part 2.Significant Figures of log measurements. Perform the following calculations andreport each answer with the correct number of significant figures.(a) Log 2.345(c) Antilog -1.45(b) pH = - Log 1.23 x 10-5; pH =(d) Antilog 12.7

To convert 405 in exponential form first place decimal from right to left and place decimal just…

Answered: 45. Express each of the following…

45. Express each of the following numbers in exponential notation with correct significant figures: (a) 704 (e) 1000.00 (b) 0.03344 (f) 0.0000000651 (c) 547.9 (d) 22086 (g) 0.007157

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

Question

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Directions: Solve the following problems. Write your answers in a clean sheet of paper and
take a picture. Upload the picture in the activity portal of the LMS.
Part 1.
45. Express each of the following numbers in exponential notation with correct
significant figures:
(а) 704
(e) 1000.00
(c) 547.9
(g) 0.007157
(b) 0.03344
(f) 0.0000000651
(d) 22086
49. How many significant figures are contained in each of the following
measurements?
(a) 53 cm
(e) 10.0613 m³
(b) 2.05 × 10° m
(f) 0.17 g/mL
(c) 86,002 J (d) 9.740 × 10ª m/s
(g) 0.88400 s
51. Round off each of the following numbers to two significant figures:
(a) 0.436
(e) 1.497 × 103
(b) 9.000
(f) 0.445
(c) 27.2
(d) 135
53. Perform the following calculations and report each answer with the correct
number of significant figures.
(а) 628 х 342
(d) 8119 x 0.000023 (e) 14.98 +27,340 + 84.7593
(b) (5.63 × 107) × (7.4 x 10')
(c) 28.0/13.483
(f) 42.7 + 0.259
Part 2.
Significant Figures of log measurements. Perform the following calculations and
report each answer with the correct number of significant figures.
(a) Log 2.345
(c) Antilog -1.45
(b) pH = - Log 1.23 x 10-5; pH =
(d) Antilog 12.7

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