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…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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

A:

Q: 56. Round the number on the left to the number of significant figures indicated by the example in…

A: Significant figures of a number are those which are absolutely necessary to explain the numbers…

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

A: Scientific notation is a format which helps us to write too large or too small numbers in simple…

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: Round each of the following numbers to three significant figures.a. 61.40 b. 6.171 c. 0.066494 d.…

A: To round: The following numbers to three significant figures. a. 61.40 b. 6.171 c. 0.066494  d.…

Q: The mass of 0.015 L of mercury is _______. Given the density of Hg are 13.6 g/cm^3. Formula for…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

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

A: The given data - Block A = 125 cm3 Block B = 105 cm3 Mass of block A > Mass of block B. To…

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: Round each number to three significant figures. b. 1.548937 x 10 a. 79,845.82 c. 2.3499999995 d.…

A: Hi, since you have posted question with multiple subparts. We will answer the first three subparts…

Q: It is known that the density of mercury is 13.54 times the density of water. What volume of this…

A:

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…

A: 9.7001×10^-3 having a ordinary decimal number as 9.7001e+3 is the E notation version of the…

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: Conversions: include the correct number of significant digits  a. 1.2 g to ug (micrograms) b. 10.0…

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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: 9. The Sl standard unit of length is the. a) meter b) yard c) kilometer 10. Volume is the Derived Sl…

A: “Since you have asked multiple questions, we will solve the first three questions for you. If you…

Q: Calculate the amount of heat needed to boil 33.8 g of water (H₂O), beginning from a temperature of…

A: Mass of water = 33.8 g Specific heat of water = 4.184 J/g°C Initial temperature = 41.9 °C

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

A: Significant figures refer to the number of digits that are involved in the determination of the…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

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

A: In case of multiplication or division, the least number of significant figures in any number…

Q: Conversions: include the correct number of significant digits and follow the format included in the…

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Q: Conversions involving units raised to a power: include the correct number of significant digits and…

A: Here we are required to convert the unit

Q: a. When 90.65 and 36.969 are multiplied, the answer should have | Enter the answer with the correct…

A: When 90.65 and 36.969 are multiplied, the answer should have   b. When 90.65 and 36.969 are added,…

Q: Conversions: include correct number of significant  digits  a. 0.20 m to mm b. 2.23 ks to s c.…

A: Given,  a. 0.20 m to mm b. 2.23 ks to s c. 3.22 Gg to kg

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.…

A: -> In addition and subtraction answer contains lowest number of decimal places. -> In…

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

A: Rules for deciding significant figures: 1) All non zero digits are significant. 2) All zeros between…

Q: Round the following to three sig figs.  Express your answers as either whole or decimal values; do…

A: Significant Figures: Defined as  by saying that  the numbers which gives meaningful contribution to…

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

A: Standard form is the normal way of representing numbers. The form in which Question is written is…

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

A: The conversion of quantity from one unit system to another unit system is known as unit conversion.…

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…

Q: Express the answers to the following operations with the proper number of significant figures. A.…

A: In addition and subtraction, the answer should be in the significant figures that are minimum for…

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.