Round off each of the following numbers to the indicated number of significant digits, and write the answer in standard scientific notation. a. 0.0034159 to three digits b. 103.351x 102 to four digits c. 17.9915 to five digits d. 3.365 x 105 to three digits

Q: The number 8.588682 rounded to 2 significant figures is: The number 701.9951 rounded to 3…

A: Significant figures are the digits of the number that contribute to accuracy. They are all…

Q: Perform the following calculation. Show the answer in scientific notation. Round the coefficient to…

A: Option C. 2.97×103 is correct Given that,  (8.9 x 109 ) / ( 3 x 106 ) = ??

Q: Do the following calculations to the correct number of significant figures: a.) 3.8 x 105-8.45 x…

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Q: 3. Provide the answer with the appropriate number of significant figures. a. 6.03 x 650 b. 2.7 x…

A:

Q: 11. Write each of the following numbers in standard scientific notation. a. 97,820 = b. 42.14 × 103…

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Q: Which quantity represents the smallest mass? A. 1.5 x 10-2 mg B. 1500 g C. 1.5 x 103 µg D. 1.5 x…

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Q: 122. Consider these observations on two blocks of different unknown metals: Volume Block A 125 cm3…

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Q: 11. Write each of the following numbers in standard sci- entific notation. a. 97,820 d. 0.0003914 b.…

A: Note : Dear student since you have posted multiple questions, we will solve only first question for…

Q: A racetrack measures 1.0000 x 103 meters. A racecar completes a lap of this track in 20.4 seconds.…

A: Given: Distance = 1.0000×103 meters Time = 20.4 seconds

Q: ndiur 4.S 3. Express 9.7001 x 10-3 as an ordinary decimal number with the correct number of…

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Q: 121. Consider these observations on two blocks of different unknown metals: Volume Block A 125 cm3…

A: We are given the Volume of both the blocks in cm3. VA=125 cm3 VB=145 cm3 It is also given that the…

Q: Use prefixes to for the following measurements     a) 2.5 X10‐6g  b) 0.001 m  c) 0.0000005 L    d) 1…

A: Given number is 2.5*10-6 g. The prefix for the factor 10-6 is micro.

Q: 1) The density of a material can be used to calculate the volume of an object if its mass is known.…

A: Mass of quarter = 6.25 g Density of the quarter = 10.5 g/mL

Q: Round each number to two significant figures  233.356       0.002353.   can you please…

A: Interpretation : We have to count number of significant figures.

Q: Calculate the answer to the following problem. Your answer should be rounded to the correct…

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Q: 4. Show the answers with appropriate number of significant figures. 39.9 а. 6.022 x1023 b. 0.0021 g…

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Q: 2. A 108.948 g metal sample 22.6 mL of water and the water level rises to 34.8 mL. Calculate the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Carry out each calculation and report the answer using the proper number of significant figures. d.…

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Q: 4. Write the number of significant figures in each of the following. Write the word exact if the…

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Q: Convert each number to its standard form. a. 3.4 × 10 8 b. 5.822 × 10 −5 c. 3 × 10 2 d. 6.86 × 10 −8

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Q: Q18. Convert 1.400x 10-8 liters to nanoliters and express the answer in fixed notation using the…

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Q: What volume of gold is equal in mass to a piece of copper having a volume of 125 cm3? Use Conversion…

A: Given data :-  Given Volume of copper = 125 cm3 Experimental data :-  Density of copper = 8.96 g/cm3…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.