   Chapter 2, Problem 12QAP Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

Solutions

Chapter
Section Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem

Write each of the following numbers as “ordinary” decimal numbers.a. 6.244 × 10 3 d. 1.771 × 10 − 4 b. 9.117 × 10 − 2 e. 5.451 × 10 2 c. 8.299 × 10 1 ’f. 2.934 × 10 − 5

Interpretation Introduction

(a)

Interpretation:

The scientific notation 6.244×103 should be converted into ordinary decimal number.

Concept Introduction:

Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.

For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.

Explanation

The given scientific notation is 6.244×103, to write the ordinary decimal notation, the decimal will shift to right and

Interpretation Introduction

(b)

Interpretation:

The scientific notation 9.117×102 should be converted into ordinary decimal number.

Concept Introduction:

Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.

For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.

Interpretation Introduction

(c)

Interpretation:

The scientific notation 9.3×107 should be converted into ordinary decimal number.

Concept Introduction:

Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.

For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.

Interpretation Introduction

(d)

Interpretation:

The scientific notation 1.771×104 should be converted into ordinary decimal number.

Concept Introduction:

Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.

For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.

Interpretation Introduction

(e)

Interpretation:

The scientific notation 5.451×102 should be converted into ordinary decimal number.

Concept Introduction:

Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.

For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.

Interpretation Introduction

(f)

Interpretation:

The scientific notation 2.934×105 should be converted into ordinary decimal number.

Concept Introduction:

Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.

For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.

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