42. Identify the number of significant digits in the following measured values: a. 2.304 km b....
Significant Figures- Questions For the following measurements, underline the digits that are known with certainty and highlight in color the digits that are estimated. If a number is ambiguous, that is, the number of significant figures is uncertain, state so. In each case, explain your reasoning. 3) a) 4.35 ml b) 0.009340 g c) 3400 km d) 1.38 x 103 m/s
Significant Figures- Questions For the following measurements, underline the digits that are known with certainty and highlight in color the digits that are estimated. If a number is ambiguous, that is, the mumber of significant figures is uncertain, state so. In each case, explain your reasoning. 3) a) 4.35 m b) 0.009340 g c) 3400 km d) 1.38 x 103 m/s
Indicate how many significant digits ore in each of the following numbers. a. 0 00160 b. 8.40 times 10^-4 c. 10,100. d. 1001.00 Perform the following calculations to the correct number of significant digits. a. (1.1289 + 2.3400)/(1980 times 2.00) 6. (2 76 times 10^3-7.77 times 10^-1)/(45 + 23.47) c. (242.89X0.00671) d. 45.98 - (11.6)^4 3. Perform the following conversions. a. 90.9 cm to km b. 5.55 times 10^-Gm to pm c. 1125 km^3 to mL\",
8. Identify each of the following as measured or exact and give the number of significant figures (SFs) in each measured number: a. An adult with the flu has a temperature of 103.5 °F. b. A blister (push-through) pack of prednisone contains 21 tablets. C. The time for a nerve impulse to travel from the feet to the brain is 0.46 s. d. A brain contains 1.20x1010 neurons.
1a. Determine the accuracy (the number of significant digits) in each measurement. 0.04060s b. Express each of the following values using scientific notation. 89.600,000g c. Express each of the following values using scientific notation. 0.00481L d. What is metric prefix for 0.010
ဈ
2. & Indicate the precision and the. of significant digits of the following measurements in the space provided. Round off the measurements to the correct number of digits needed. 8 Express these rounded measurements in proper scientific notation in the last column. See example. OF SIG. DIG. MEASUREMENT PRECISION MEASUREMENT MEASUREMENT IN NOW NEEDED ROUNDED OFF SCI. NOT 63.479 m (example) 3 5 3 63.5 m 6.35 x 10 m uz A 0.004 659 m 2 B5 803 L...
A measured 43.2 km/hr equals how many m/s? a. b. 11. 7.30 x 102 m/s 4.00 x 101 m/s c. 12.0 m/s d. 37.0 m/s
Convert each of the following OH- concentrations to pH. 1.9 M The number of significant digits is set to 4; the tolerance is +/-4% LINK TO TEXT 2.7 µM The number of significant digits is set to 3; the tolerance is +/-4% LINK TO TEXT 0.039 M The number of significant digits is set to 4; the tolerance is +/-4% LINK TO TEXT 0.00041 M The number of significant digits is set to 4; the tolerance is +/-4%
part a: The number 405000 has________ significant digits (fill in the blank with the number of significant digits). part b: Determine the number of significant digits for 0.000033 and write out the specific number of significant digits part c: Please note that superscript (x2) and subscript (x2)options are found in the rich text editor in the text formatting box. Write the number below in scientific notation, incorporating what you know about significant digits. 67,890,000 part d: Please note that superscript...
Rank the following values in order of increasing number of significant digits. 1 2 3 4 5 30.245 1 2 3 4 5 3.2 1 2 3 4 5 30,000 1 2 3 4 5 0.24 1 2 3 4 5 17.00 103 103