Calculate the answer with the correct number of significant figures. Assume that all thenumbers are measurements.449.42 + 0.238 =

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Answered: Calculate the answer with the correct…

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter1: Matter, Measurements, And Calculations

Section: Chapter Questions

Problem 1.70E

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Similar questions

Without actually performing the calculations indicated, tell to how many significant digits the answer to the calculation should be expressed. (9.7871)(2)(0.00182)(43.21) (67.41+0.32+1.98)/(18.225) (2.001103)(4.7106)(68.224102) (72.15)(63.9)[1.98+4.8981]
Perform these calculations and express the result with the proper number of significant figures. (a) (4.850g2.34g)/1.3mL (b) V=r3, where r=4.112cm (c) (4.66103)4.666 (d) 0.003400/65.2
For each of the following numbers, by how many places must the decimal point be moved to express the number in standard scientific notation? In each case, will the exponent be positive, negative, or zero? 72.471 0.008941 9.9914 6519 0.000000008715
Perform the following mathematical operations, and express the result to the correct number of significant figures. a. 6.022 X 10-23 1.05 x 102 b. 6.626210342.9981082.54109 c. 1.285 102 + 1.24 103 + 1.879 101 d. (1.00866-1.00728)6.022051023 e. 9.8751029.7951029.875102100(100isexact) f. 9.42102+8.234102+1.6251033(3isexact)
For each of the following numbers, by how many places must the decimal point be moved to express the number in standard scientific notation? In each case, will the exponent be positive, negative, or zero? 55,651 0.000008991 2.04 883,541 0.09814
The label on a soft drink boule gives the volume in two units: 2.0 L and 67.6 fl oz. Use this information to derive a conversion factor between the English and metric units. How many significant figures can you justify in your conversion factor?
Write the following numbers in ordinary decimal form: a 5.12 x 106, b 8.04 x 10-7, c 1.92 x 1021.
Which of the following are exact numbers? a. There are 100 cm in 1 m. b. One meter equals 1.094 yards. c. We can use the equation F=95C+32 to convert from Celsius to Fahrenheit temperature. Are the numbers 95 and 32 exact or inexact? d. = 3.1415927.
A basketball game at the University of Connecticut's Gampel Pavilion attracted 10,000 people. The building's in-terior floor space has an area of 1.71105 ft2. Tickets to the game sold for $22.00. Senior citizens were given a 20% discount. How many significant figures are there in each quantity? (Your answer may include the words ambiguous and exact.)
Express the following measured values in scientific notation to the correct number of significant figures. a. 120.7 b. 0.0034 c. 231.00 d. 23,100

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Calculate the answer with the correct number of significant figures. Assume that all the numbers are measurements. 449.42 + 0.238 =