Carry out each calculation and report the answer using the proper number of significant figures.   a. 28.515 + 3.36  =     b. 35. − 0.87  =     c. 28.0414 + 27.34

Q: A small beaker was found to have a mass of 27.847 g. A 10.00 mL sample of an unknown liquidwas…

A: Answer :- 1.225 (g.mL-1)  Density of unknown liquid (solution) = 1.225 g.mL-1…

Q: 3. Perform the following calculation and report the answer to the proper numbers of significant…

A: a) 14.5 + 0.023 = = 14.523         b) 13.265 -2.065 = = 11.2

Q: 6.7321x0.0021 in to a Significant figures and measurement

A: Rules for Significant numbers: Any non-zero number is significant. Zeros between two significant…

Q: Write the rounded answer in proper scientific

A: We have to calculate the given measurement and give their answer to correct significant figures

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A:

Q: Table 2 Weighing by Difference Mass of Empty Beaker Mass of Beaker + Sugar Mass Measurement 69.787 g…

A: Given,  Mass of empty beaker = 69.787 g  Mass of beaker + Sugar = 75.230 g  Calculate the mass of…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: ANS. -0.82 m3

Q: Part A Express the quantity 689.6 × 10¬12 s in each unit. ms Express your answer using four…

A: Given:   The 689.6×10-12 s in each unit  convert it into ms , ns , ps , fs :

Q: An object measuring 25.0 inches will have a length of___centimeters round your answer to the correct…

A:

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A:

Q: Perform the following calculation: g -0.00030- x 20.0°C °C x cm³ What is the answer to the…

A: Multiplication and division of significant figures :- The result of multiplication or division…

Q: (- 10° 3 kg• m g'cm 3.6 X = ? S S

A:

Q: Use prefix multipliers to express each measurement withoutany exponents.a. 38.8 * 105g b. 55.2 *…

A: The given values are in grams, second, meters, and liters respectively which are converted without…

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A: Multiplication or division of same units are possible. To do the given operation, first step is to…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: Which of the following numbers have four significant figures?  A. 12045 B. 5500 C. 5500. D. 0.010210

A: The question is based on the concept of significant figures. we have to identify which of the given…

Q: Express the following decimal numbers in scientific notation. Round it off to two decimal places.…

A: Two decimal palces is same as the nearest hundredth .

Q: What is the density of an object of mass 45.00 g and volume 25.0 mL? 1._______ / 2.________ =…

A: Given: Mass of object = 45.00 g And volume of object = 25.0 mL.

Q: Carry out the following mathematical operations and answer the questions that follow. 33.916 x 95.7…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: Convert 2.00mm to meter A) 0.00200m B) 0.0200m C) 0.200m D) 0.000200m E) none

A:

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: To convert 90 kg.m/s to g.m/s.

Q: The density of a solid is (7.40x10^0) g/mL. What is this density in units of cg/L?  Hint: Break…

A: We know that 1g/ml =100000cg/L or 105 So 7.40×100 g/ml = 7.40×105cg/ml

Q: Calculate the mass of sugar weighed out.  a. Circle one: When performing the above calculation,…

A: According to significant figure rule when we subtract two numbers then the result will be in least…

Q: How to properly use significant figures in this case? Ccal = (-ΔHrxn x nLR)/ΔT Ccal = (-55.85…

A:

Q: what determines how many figures are significant in reported measurement values? What would be the…

A: In reporting measured values, the degree of uncertainty of a number read from a measurement…

Q: Use prefix multipliers to express each measurement without exponents.a. 38.8 * 105 g…

A: Prefix multipliers can be described as “the parts of unit which are placed before the actual units”.…

Q: 1.) Why is there a need to convert one unit of measurement to another?

A: "Since you have asked multiple questions, we will solve the first question for you (as per our…

Q: Calculate to the correct number of significant figures.a. 0.004 + 0.09879                     b.…

A: a.

Q: Which student has a more precise measurement? Justify your answer Student A:  228.3, 226.4, 226.9,…

A: A measurement can be accurate or precise. Accuracy of measurement is defined as the closeness of the…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: Two undefined numbers expressed in regular notationare s hown below, along with the number of places…

A: Scientific Notation: In science when the number is too large or too small to perform any…

Q: Determine the number of significant figures in each measurement.  a. 0.049450 s       c. 3.1587 × 1…

A: Rules to determine significant figures:  1. Non-zero digits are significant. Example - 23.54  has…

Q: 14) Oxygen (02) is classified as what type of matter? A) element B) homogeneous mixture C) compound…

A: Thankyou for submitting an excellent question. Since you have asked multiple question, we will solve…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Since, we know that ;  1 kg = 103 g  1 m = 102 cm

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: Round this short operation to the appropriate number of significant figures: (0.270 / (0.460 -…

A: We use BODMAS rule which states we should calculate the Brackets first (2 + 4 = 6), then the Orders…

Q: C. 136 Q3. Accuracy refers to how close a measured number is to A. zero C. Other measured numbers…

A: 3. Sol :-  Given statement is :  Accuracy refers to how close a measurement number is to :  A. zero…

Q: 4- Perform the following calculation and report the result to the correct number of significant…

A: The correct option is D i.e 2.8  as we significant upto 2 decimal places then 2.81690 = 2.8

Q: Round 2345 to 3 significant figures and put in scientific notation.

A: The question is based on the concept of significant figure and rounding off calculations. there are…

Q: 65.431 + 12.09) X 1.03 solve using appropriate number of significant figures

A: Before calculations certain rules should be understood for significant digits. All of the non-zero…

Q: A liquid has a density of 1.27g/mL. What is the mass of 20.0mL of this liquid? Show all required…

A: A liquid has a density of 1.27g/ml. A liquid has a volume of 20.0mL. Mass=?

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: 1km = 1000 m 1m = 100 cm

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A: Introduction :- We can always multiply or divide measurements having same unit or different units.…

Q: 2. Complete the blanks in each row, as in the first: a) Find and underscore the last significant…

A:

Q: Use the first menu to select the type of measurement represented by the unit. Use the second menu to…

A: Significant figure are used in calculation and to  measure and contribute more accuracy in…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: The result of the calculation (1.0161-0.8711) with correct number of significant figure is a.…

A: Given calculation problem;   1.0161 - 0.8711