Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
8th Edition
ISBN: 9780134421377
Author: Charles H Corwin
Publisher: PEARSON
Question
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Chapter PSS, Problem 25E
Interpretation Introduction

(a)

Interpretation:

The given measurement is to be multiplied and the answer is rounded off to the proper significant digit.

Concept introduction:

In the multiplication or division of measurements, the answer is found to be limited by the measurement value with the lowest number of significant digits. The final unit in multiplication is the product of the units of each data.

Interpretation Introduction

(b)

Interpretation:

The given measurement is to be multiplied and the answer is rounded off to the proper significant digit.

Concept introduction:

In the multiplication or division of measurements, the answer is found to be limited by the measurement value with the lowest number of significant digits. The final unit in multiplication is the product of the units of each data.

Interpretation Introduction

(c)

Interpretation:

The given measurement is to be multiplied and the answer is rounded off to the proper significant digit.

Concept introduction:

In the multiplication or division of measurements, the answer is found to be limited by the measurement value with the lowest number of significant digits. The final unit in multiplication is the product of the units of each data.

Interpretation Introduction

(d)

Interpretation:

The given measurement is to be multiplied and the answer is rounded off to the proper significant digit.

Concept introduction:

In the multiplication or division of measurements, the answer is found to be limited by the measurement value with the lowest number of significant digits. The final unit in multiplication is the product of the units of each data.

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Which quantity in each of the following pairs is larger? (a) 5.63 * 106 cm or 6.02 * 101 km(b) 46µs or 3.2 * 10-2 ms(c) 200,098 g or 17 * 101 kg
3) Multiply 6.4 x 10^-3 times 8.0 x 10^7 and express the answer in scientific notation.(a) 5.1 x 10^-21(b) 5.1 x 10^–3(c) 5.1 x 10^3(d) 5.1 x 10^4(e) 5.1 x 10^5 Step by step 4) Round off the following measurement to three significant digits: 14,546 cm.(a) 145 cm (b) 146 cm(c) 14,500 cm (d) 14,600 cm(e) 15,000 cm  Step by step
Perform the following calculations and report each answer with the correct number of significant figures.(a) 62.8 × 34(b) 0.147 + 0.0066 + 0.012(c) 38 × 95 × 1.792(d) 15 – 0.15 – 0.6155(e) 8.78 × ((0.0500)/(0.478))(f) 140 + 7.68 + 0.014(g) 28.7 – 0.0483(h) ((88.5 − 87.57)/(45.13))

Chapter PSS Solutions

Introductory Chemistry: Concepts and Critical Thinking (8th Edition)

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