Concept explainers
(a)
Interpretation:
The given ordinary number is to be expressed in scientific notation.
Concept introduction:
The ordinary numbers are written as the power of
In scientific notation, the non-zero significant numbers are written along with the power of
Answer to Problem 40E
The given ordinary number,
Explanation of Solution
The given number is
The given ordinary number,
(b)
Interpretation:
The given ordinary number is to be expressed in scientific notation.
Concept introduction:
The ordinary numbers are written as the power of
In scientific notation, the non-zero significant numbers are written along with the power of
Answer to Problem 40E
The given ordinary number,
Explanation of Solution
The given number is
The given ordinary number,
(c)
Interpretation:
The given ordinary number is to be expressed in scientific notation.
Concept introduction:
The ordinary numbers are written as the power of
In scientific notation, the non-zero significant numbers are written along with the power of
Answer to Problem 40E
The given ordinary number,
Explanation of Solution
The given number is
The given ordinary number,
(d)
Interpretation:
The given ordinary number is to be expressed in scientific notation.
Concept introduction:
The ordinary numbers are written as the power of
In scientific notation, the non-zero significant numbers are written along with the power of
Answer to Problem 40E
The given ordinary number,
Explanation of Solution
The given number is
The given ordinary number,
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Chapter PSS Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
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- Express each of the following numbers in scientific notation with correct significant figures:(a) 711.0(b) 0.239(c) 90743(d) 134.2(e) 0.05499(f) 10000.0(g) 0.000000738592arrow_forward(a) How many picometers are there in 1 m? (b) Express6.0 * 103 m using a prefix to replace the power of ten.(c) Use exponential notation to express 4.22 mg in grams.(d) Use decimal notation to express 4.22 mg in grams.arrow_forwardRound the following to the indicated number of significant figures:(a) 0.424 (to two significant figures)(b) 0.0038661 (to three significant figures)(c) 421.25 (to four significant figures)(d) 28,683.5 (to five significant figures)arrow_forward
- 1(a) Convert the number 0.0000735 to scientific notation. (b) Round off the number 24.15725 to the hundredths place. (c) Convert the number 5.31 x 10³ from scientific notation to regular number. 2a) Take a look at the image, and answer the following questions. 2 3 4 (i) What is the correct length of the red tape? (ii) The number of significant figures in the measurement is (iii) Convert this length to meters(m) and inches(in). Show complete calculations. 2b) The actual mass of a glass marble was recorded as 5.3076 g. When a student measured the mass three times the results were recorded as 5.2987g , 5.3197 g and 5.2078 g Which one of the results can be considered accurate and why? 3(i) The density of copper is 8.92 g/em'. What is the mass(in grams) of a piece of copper which has a length of 3.16 cm, width of 2.74 cm and height of 1.88 cm?arrow_forwardGive the name and symbol of the prefixes used with SI units to indicate multiplication by the following exact quantities.(a) 103(b) 10−2(c) 0.1(d) 10−3(e) 1,000,000(f) 0.000001arrow_forwardRound off each of the following numbers to two significant figures:(a) 517(b) 86.3(c) 6.382 × 103(d) 5.0008(e) 22.497(f) 0.885arrow_forward
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