Subtraction - express all answers in the correct significant figures - be sure to include units 554200.645 cm - 2235.0241 cm =

Q: The number 18.01937 rounded to 3 significant figures is

A: Rounding a number to three significant figures in the same way ,rounding to three decimal places.…

Q: Add the following numbers (pay attention to units!).  Give your answer in the correct number of…

A:

Q: What is the product of(4x10^2) and 185? Input your answer with the correct number of significant…

A: The numbers given are  1) 4 X 102  2) 185

Q: When the calculation (2.31)(4.9795x10^3)(1.9971x10^4) is preformed, how many significant digits…

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

Q: A micro-syringe holds a volume of 1.3 μL. To the proper number of significant figures, what is the…

A: pL and μL both are the units of volume. 1 μL=10-6 L1 pL=10-12 Ltherefore,1μL=106 pL

Q: 1. Express the number = -890,000 in scientific notation; 2. Express the number = 4.239 x 10² in…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Calculate the density of magnesium metal if 860 cm3 block has a mass of 1.51 x103g.  Express the…

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Q: 1. Are the zeros in these numbers significant? Write yes or no. (а) 503 (b) 0.007 (c) 4200 (d)…

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Q: Why does 25000 only contain 2 significant figures?

A: Given that a number 25000 25000 only contains two significant figures.

Q: Calculate the mass of gold(III) chloride (Au, Cl,) that contains a million (1.0 x 10°) chlorine…

A: Here in the given problem we have to use unitary method. Molar mass of a molecule is sum of atomic…

Q: Baby Yoda told me that the following measurement has 3 significant figures. Is he correct or not?…

A: a number of meaningful contribution of digit is known as significant figure.

Q: 2. Write down the answers with the correct number of significant figures: 34.1 X 4042 = (4.13)? =…

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Q: Calculate to the correct number of significant figures. (24.6681 x 2.38) + 332.58

A: Rules for performing addition and subtraction: Addition or subtraction is performed in a general…

Q: How many significant figures are in the calculation: [ (4.3158 cm x 8.14 cm) - 35.02 cm² ]? 04 5 A O…

A: Given,  [(4.3158 cm × 8.14 cm)- 35.02 cm2           The number of significant figures are in the…

Q: A sheet of aluminum (Al) foil has a total area of 1.000 ft^2 and a mass of 3.806g.  What is the…

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Q: Add the following: 1.23 + 0.42000 + 1.00923 Include the correct number of significant figures.

A: Rules for significant figure All non zero integer are significant Exact number have unlimited…

Q: Addition - express all answers in the correct significant figures - be sure to include units 0.01574…

A: Significant figures are the meaningful digits. The significant figure determination follows certain…

Q: Very large and very small numbers are easier to write in scientific notation. For example, the…

A: Exponential notation for a number can be written in such a way that large numbers are written in…

Q: Define significant figures with examples?

A: In chemistry due to the uncertainty in measurements, to get a real data precision and accuracy is…

Q: 1. How many significant figures are in the number 0.0840900? Write the following number in standard…

A: Zero between digits is significant Zero left to decimal is non significant Zeroes just after decimal…

Q: Express the quantity 601.8×10−12s601.8×10−12s in ms. Using 4 significant figures

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Q: Multiplication - express all answers in the correct significant figures - be sure to include units…

A: According to rules for significant figures, when you multiply two numbers, the answer should have…

Q: When the calculation (0.005215)(0.08212)(273.2)/ (4.1) is performed, the answer should be reported…

A: Rules of multiplication and division of Significant figures : In multiplication and division…

Q: Division - express all answers in the correct significant figures - be sure to include units 2…

A: Significant figures are those digits which are absolutely necessary while indicating the quantity of…

Q: A chemistry student needs 85.0 mL of diethylamine for an experiment. By consulting the CRC Handbook…

A: 85 ml of diethylamine is taken.  The density of it is 0.706gcm-3

Q: Solve this equation with the appropriate significant figures. 181.34 x 1930.4582 =

A: The given equation is - - - > 181.34 x 1930.4582 = 350069.289988 =350070

Q: Write 3.280x104 J as a normal, decimal number without any scientifc notation. Pay attetion to…

A: Correct option is C. 0.0003280 J.

Q: 2.04 pm to meters Express your answer to three significant figures and include the appropriate…

A: For a number in scientific notation: N x 10x, all digits comprising N ARE significant.

Q: Multiplication - express all answers in the correct significant figures - be sure to include units…

A: given, 9.963 kg×2000 kg

Q: How many significant figures are in the number 9.540x10*7?

A: Significant figures in 9.540*10^-7  = 4(four significant figures are there) . 0.00000009540 =…

Q: The number 158.70 in normal scientific notation, showing proper significant figures is:

A: Given number= 158.70 In scientific notation, Decimal will be placed after first number , so

Q: Division - express all answers in the correct significant figures - be sure to include units 653.987…

A: The question is about division .

Q: Round to 3 significant figures 0.0014851

A: Significant figures refer to the number of digits that has contribution to the value or measurement.…

Q: The number 621.0870 rounded to 4 significant figures is

A: To round the number 621.0870 to 4 significant figures.

Q: For example: 10.1 +93.4 = 103.5, because both 10.1 and 93.4 are precise to the tenths place. Solve…

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Q: Convert 598 mL into dL(give the answer in the correct number of significant figures)

A: Unit conversion problemHere we have to convert 598 ml (milliliter) to dL (deciliter)Conversion of…

Q: Addition - express all answers in the correct significant figures - be sure to include units…

A: Given information ,  3510.054 g + 1341.03264 g + 0.01654 g  After addition we have to express its…

Q: Solve the following calculations below and give the number of significant figures in the final…

A: Since on multiplication, the number of significant figures is taken as the lowest number of…

Q: The number 9.40548 rounded to 2 significant figures is

A: The number 9.40548 rounded to 2 significant figures is

Q: The diameter of the earth at the equator is 7926.381 mi. (a) Round off the earth's diameter to four…

A:

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: How many significant figures are in 9630.0010? (numerical answers only) N

A: Given,  How many significant figures are in 9630.0010 ?

Q: Perform the operation and express your answer in scientific notation with the correct number of…

A: Significant figure is the count of digits of a number required to interpret degree of accuracy which…

Q: Which of the following are exact numbers?a. There are 100 cm in 1 m.b. One meter equals 1.094…

A: Which of the following are exact numbers?a. There are 100 cm in 1 m.b. One meter equals 1.094…

Q: Multiplication - express all answers in the correct significant figures - be sure to include units…

A: To solve this problem we will use the multiplication rule of significant figures to get the correct…

Q: 2. Report the answer to the correct number of significant figures. a. 25 cm x 10.0 cm = b. 0.05 g -…

A: Rules for significant figures: 1. Non-zero digits are significant. 2. Any zeros present between…

Q: Convert 3600. Mg into ng(give the answer in the correct number of significant figures)

A: Here we need to convert Milligram into Nanogram.Milligram= It is a unit used for measuring amount of…

Q: Why does 120 only contain 2 significant figures?

A: We can understand this by knowing the rules for writing significant figures.

Q: How many significant figures should your result contain? What is the calculated density? Express…

A: Given calculation : density =68.895 g(23.5 mL -14.7 mL)1cm31 mL