Concept explainers
(a)
Interpretation: If the number is written in standard scientific notation, the exponential value of 0.000067 to be calculated.
Concept introduction: The expression of a number as a product of a number between 1 and 10 and appropriate
Conversion from scientific notation to real number is as follows:
If n>0 then,
If n<0 then,
(a)
Answer to Problem 4A
The exponent value of 10 is 5.
Explanation of Solution
The given number is 0.000067. The decimal is -5 because decimal point must be moved five places to the right. Scientific notation of the number is as follows:
For the number 0.000067 scientific numbers is
Thus the exponent value of 10 is 5.
(b)
Interpretation: If the number is written in standard scientific notation, the exponential value of 9331442 to be calculated.
Concept introduction: The expression of a number as a product of a number between 1 and 10 and appropriate
Conversion from scientific notation to real number is as follows:
If n>0 then,
If n<0 then,
(b)
Answer to Problem 4A
The exponent value of 10 is 6.
Explanation of Solution
The given number is 9331442. The decimal is +6 because decimal point must be moved six places to the left. Scientific notation of the number is as follows:
For the number
Thus the exponent value of 10 is 6.
(c)
Interpretation: If the number is written in standard scientific notation, the exponential value of
Concept introduction: The expression of a number as a product of a number between 1 and 10 and appropriate
Conversion from scientific notation to real number is as follows:
If n>0 then,
If n<0 then,
(c)
Answer to Problem 4A
The exponent value of 10 is 4.
Explanation of Solution
The given number is
For the number
Thus the exponent value of 10 is 4.
(d)
Interpretation: If the number is written in standard scientific notation, the exponential value of
Concept introduction: The expression of a number as a product of a number between 1 and 10 and appropriate
Conversion from scientific notation to real number is as follows:
If n>0 then,
If n<0 then,
(d)
Answer to Problem 4A
The exponent value of 10 is 4.
Explanation of Solution
The given number is
Chapter 5 Solutions
World of Chemistry
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