Subtraction – express all answers in|the correct significant figures - besure to include units554200.645 cm - 2235.0241 cm =

Significant Figures - They indicate the reliability of a number that tells us how many digits are…

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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

865×[1259−(3.98×106)]. Express your answer to the appropriate number of significant digits.
0.000000100092 in scientific notation to two significant figures
An object weighs 9.0330 g. When the object is put into a graduated cylinder that contains 24.9 mL of water, the water levels rises to 30.2 mL. Calculate the density of the object. Hint - first figure out the volume, then calculate density. Choose the answer with the appropriate significant figures and units.
How many significant figures are in the following measurement: 0.00204 g Type your answer... Perform the following calculation. Enter the answer with the correct number of significant figure. 8.934+ 37.1 29 Be sure to start your answer with 0.xxxx, not just a decimal place, if appropriate. Ex. Enter 0.244 and NOT.244 Type your answer... Convert 69. kL to uL. Express your answer in scientific notation without writing units. Ex. 0.00222 is entered as 2.22*10^-3. Type your answer...
A solid occupies a volume of 0.0103 cm3 and has a mass of 16.8 mg. To the proper number of significant figures, what is the density of this object in g/cm3?
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
When 14.06 is divided by 89.9 , the answer should be reported to significant digit(s). req The result of the division, 14.06 /89.9 , reported to the correct number of significant digits is Enter a leading zero for answers less than one. Example 0.123 not .123 1 req When 89.9 is subtracted from 14.06 , the result should be reported with digit(s) after the decimal point. The difference, 14.06 - 89.9 , reported to the correct number of significant digits is
An electric current of 25.10 A transports 790. μC of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and 3 significant digits. x10 μ. 0.0 8 5
What is the uncertainty in the measured value 12.37040 after it is rounded to the following number of significant figures? The uncertainty of 2 is what?
Multiplication - express all answers in the correct significant figures - be sure to include units 11.289 m x 220.140 m =
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
Write your answer to the correct number of significant figures 0.003+12.0012=

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