When scientific measurements are made they are reported using: Select one: a. all certain digits plus two uncertain digits b. all certain digits plus one uncertain digits c. all certain digits plus no uncertain digits d. all certain digits plus all uncertain digits

0 F3 4 $ Answer X f. 2.94 x 10-5 Answer+ 13. Write each of the following numbers in standard scientific notation. a. 1/1033 b. 1/105 c. 1/10-7 d. 1/0.0002 e. 1/3,093,000 f. 1/10 4 8.1/10⁹ h. 1/0.000015 14. Write each of the following numbers in standard scientific notation. a. 1/0.00032 RELTONGC MacBook Air F6 F7 O 000 000 F4 % 5 Pre H Re F5 < 6 & 7 * ► 11 8 F8 1 9 1 F9 O 1 0 FI

An analog scale has marking for every 0.1 g. Which measurement is accurately reported for this scale? A. 20.g B. 20.4 g C. 20.36g D. 20.362

Determine a single factor that can be used as a multiplier to 1.5 oz to grams

Below is data from a hypothetical experiment. The actual density of the substance is 2.37 g/mL. How would the quality of this data be characterized? Trial Density 2.21 g/ml 2.20 g/mL 1 2 2.22 g/mL 2.20 g/mL O a. Both precise and accurate O b. Neither precise nor accurate O C. Accurate O d. Precise

An insulin syringe, a low volume syringe, commonly used for diabetic medication is intended for multiple use. Select one: a. False b. True Accuracy means Select one: a. All of these b. Closeness of a measured value to the real value C. A measure of how often an experimental value can be repeated d. The number of significant figures used in a measurement Basis for selecting the appropriate balance to use in weighing includes Select one: a. Precision and accuracy in weighing b. All these c. Weighing capaities d. Function that a balance performs

Which of the following numbers conforms to the scientific notation conventions? A. 0.123 x 109 B. -1.23 x 1012 C. 1.23 x 102.1 D. 12.3 x 106

Complete the following calculation. Report your answer with the correct number of significant figures. (7.339 x 2.3) + 27 Your Answer: Answer

Which of the following has the smallest number of significant figures? Why? A. All of the other options have the same number of significant figures. B. 0.0050 C. 0.0500 D. 0.0005 E. 0.5000