Concept explainers
(a)
Interpretation: To write 55000 in scientific form.
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
(b)
Interpretation: To write 480 in scientific form.
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
(c)
Interpretation: To write 0.000005 in scientific form.
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
(d)
Interpretation: To write 0.00014 in scientific form.
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
(e)
Interpretation: To write 0.0072 in scientific form.
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
(f)
Interpretation: To write 670000 in scientific form.
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
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Check out a sample textbook solutionChapter 1 Solutions
Basic Chemistry
- A. How many significant figures are in each of the following numbers? 1. 1.234 2. 1.2340 3. 1.2340 x 10-3 4. 1.2340 x 10^-3 5. 1234 6. 12340 7. 0.012340 8. 12.34 9. 123.4 10. 1.23400 x 10-5 B. Express the following number in scientific notation with correct significant figure. 1. 900 000 (3SF) 2. 3400 (2SF) 3. 45 (3SF) 4. 0.815 (2SF) 5. 0.00891 (2SF) 6. 4 500 (2SF) 7. 0.00766 (1SF) 8. 56 000 (2SF) 9. 34 000 (3SF) 10.8930 (4SF)arrow_forwardDetermine the correct amout of significant figures for each number or operation. Column A 1. 0.002040 2. 15.36 + 2.255 = 17.615 3. 510. 4. 22.2 x 89.01 = 1,976.022 Column B a.2 b.3 c.8 d.4 e.6 f.5 g.1 h.7arrow_forwardConvert 234.0 x10^-4 to the proper exponential notation following thr rules of significant figures. A. 2.340x10^2 B. 2.340x10^ 0 C. 2.340x10^-2 D. 2.34x10 ^ 3 E. 2.340x10^ 3 F. 2.340x10^-1 G. 2.34x10^-2 H. 2.34x10^2 I. 2.34x10 ^-3 J. 2.340x10^ -3 K. 2. 349x10^1 L. 2.340arrow_forward
- Perform each of the following operations, reporting the answer with the proper number of significant figures: a. (23)(657) b. 0.00521 +0.236 c. 18.3 3.0576 d. 1157.23 17.812 e. (1.987)(298) 0.0821arrow_forward1. In which of the following pairs do both numbers contain the same number of significant figures? a. 2.0500 m and 0.0205 b. 600.0 K and 60 K c. 0.000 75 s and 75 000 s d. 6.240 L and 6.240 X 10 -² Larrow_forwardDetermine whether each statement that follows is true or false: a The SI system includes metric units. b If two quantities are expressed in an equivalency, they are directly proportional to each other. c The scientific notation form of a number smaller than 1 has a positive exponent. d In changing a number in scientific notation whose coefficient is not between 1 and 10 to standard scientific notation, the exponent becomes smaller if the decimal in the coefficient is moved to the right. e There are 1000 kilounits in a unit. f There are 10 milliunits in a centiunit g There are 1000 milliliters in a cubic centimeter. h The mass of an object is independent of its location in the universe. i Celsius degrees are smaller than Fahrenheit degrees. j The uncertain digit is the last digit written when a number is expressed properly in significant figures. k The quantity 76.2 g means the same as 76.200 g. l The number of significant figures in a sum may be more than the number of significant figures in any of the quantities added. m The number of significant figures in a difference may be fewer than the number of significant figures in any of the quantities subtracted. n The number of significant figures in a product may be more than the number of significant figures in any of the quantities multiplied. o The process of analysis of a problem statement includes describing the properties of the given and wanted quantities. p If the quantity in the answer to a problem is familiar, it is not necessary to check to make sure the answer is reasonable. q Conversion factors can be used to change from one unit to another only when the quantities are directly proportional. r When you are learning chemistry, you should check the solution to each problem you solve at two levels: 1 is the value reasonable? 2 what new knowledge or skill did I obtain or improve? s There is no advantage to using units in a problem that is solved by algebra. t A Fahrenheit temperature can be changed to a Celsius temperature by multiplying by a conversion factor.arrow_forward
- When a large or small number is written in standard scientific notation, the number is expressed as the product of a number between 1 and 10, multiplied by the appropriate power of 10. For each of the following numbers, indicate what power of 10 would be appropriate when expressing the numbers in standard scientific notation. a. 84,961,306 b. 0.4870 c. 0.000033812 d. 3,890,406,000,000arrow_forwardWrite each of the following numbers as “ordinary” decimal numbers. a.6.244103 d.1.771104 b.9.117102 e.5.451102 c.8.299101 ’ f.2.934105arrow_forwardWhat is density? Give two examples of possible units for density.arrow_forward
- Write each of the following numbers in ordinary decimal form: a 0.011 x 10 -3 ; b 14.3 x 10 -2; d 5.00858585 x 105 ; c 0.00477 x 106arrow_forwardSay you live in a climate where the temperature ranges from 100F to 20F and you want to define a new temperature scale, YS (YS is the Your Scale temperature scale), which defines this range as 0.0YS to 100.0YS. a Come up with an equation that would allow you to convert between F and YS. b Using your equation, what would be the temperature in F if it were 6.6YS?arrow_forwardConversions: include correct number of significant digits a. 0.20 m to mm b. 2.23 ks to s c. 3.22 Gg to kgarrow_forward
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