Multiplication - express all answersin the correct significant figures - besure to include units124.3520 km x 58.4415 km

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

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Similar questions

A certain city covers an area of 66.4 mi2. How many square kilometers is this? Use the conversion factor 1 mile = 1.61 km. Report your answer to the appropriate number of significant figures.
2. Do the following calculations and use the correct number of significant figures in your answers. Assume all numbers are the results of measurements. a. 0.208 + 4.9 + 1.11 b. 228 + 0.999 + 1.02 c. 8.543 − 7.954 d.(3.2 × 10−2) + (5.5 × 10−1) (hint: Write in the decimal form first, then add.) e. 336.86 − 309.11 f. 21.66 − 0.02387
An electric current of 21.50 A flows for 21.0 minutes. Calculate the amount of electric charge transported.. Be sure your answer has the correct unit symbol and 3 significant digits. 7 x10 •O U 89 S
a. Using the correct rules for multiplication/division and significant figures provide the answer for the following calculation. 6.98 x 89.44 = b. Using the correct rules for multiplication/division and significant figures provide the answer for the following calculation. 7831 x 76.987 = c. Using the correct rules for addition/subtraction and significant figures provide the answer for the following calculation. 7831 + 76.987 = d. Using the correct rules for addition/subtraction and significant figures provide the answer for the following calculation. 7831.67 + 76.987 = e. Using the correct rules for addition/subtraction and significant figures provide the answer for the following calculation. 7831.67 + 76.987 =
Five silver coins are added to 454.0 mL of water. The water level rises to a volume of 545.0 mL. What is the volume of the five silver coins? Express your answer with the correct number of significant figures. Write your final answer in the space below. Don't forget to show your calculations for your answer at the end of this quiz. Please include the question number with your calculations so I know which question they are for.
Suppose you are asked to find the area of a rectangle that is 2.1-cm wide by 5.6-cm long. Your calculator answer would be 11.76 cm2. Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not round your answer to two significant figures, your answer will fall outside of the grading tolerance and be graded as incorrect.) Enter your answer to two significant figures and include the appropriate units.
Multiplication - express all answers in the correct significant figures - be sure to include units 11.289 m x 220.140 m =
Suppose you are trying to find the volume of a box based on the given measurements for the length, width, and height of the box, where the height was measured in two parts. length, l = 2.20 in width, w = 3.71 in height, h = 10.4 in + 1 in Calculate the height, ℎ, of the box, first keeping all digits, then rounding to the proper number of significant figures. unrounded h = ____in rounded h =____ in Calculate the volume (V) of the box using V =l x w x h. Round to the proper number of significant figures. v=_____in3
An electric current transports 650. µC of charge in 504. milliseconds. Calculate the size of the electric current. Be sure your answer has the correct unit symbol and 3 significant digits. x10
A piece of cardboard is 12.0 cm long, 6.3 cm wide and 0.75 millimeters thick. What is the volume of this piece of cardboard in cubic meters? Enter your answer in the space provided WITHOUT units. Make sure to round your answer to the correct number of significant figures. Please give the number as a normal number, do not use scientific notation. (In example: a normal number = 4300 instead of the number being in scientific notation as = 4.3 X 103)
A chemist prepares a solution of barium chloride BaCl2 by measuring out 63.g of barium chloride into a 300.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /molL of the chemist's barium chloride solution. Be sure your answer has the correct number of significant digits.
3. The density of titanium is 4.54 g/mL. What is the volume, in milliliters (mL), of 163 g of titanium? Please follow correct significant figures and show your solution.

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Multiplication - express all answers in the correct significant figures - be sure to include units 124.3520 km x 58.4415 km = %3D