Chapter 1, Problem 1.54E

When a large or small number is written in standard scientific notation, the number is expressed as the product of a number between 1 and 10, multiplied by the appropriate power of 10. For each of the following numbers, indicate what power of 10 would be appropriate when expressing the numbers in standard scientific notation. a. 84,961,306 b. 0.4870 c. 0.000033812 d. 3,890,406,000,000

Charlotte is driving at 66.4mi/h and receives a text message. She looks at her phone and takes her eyes off the road for 4.30 seconds. How far has Charlotte reached in feet during this time?

A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl alcohol to be 74.1 ºC. Then, she looks in a reference book and finds that the actual boiling point of ethyl alcohol is 78.4 ºC. What is her percent error?Record only your final answer with the correct number of significant digits and the proper units.

A. Density Computation. Solve what is asked. Round off your answers into 2 decimal places and make sure to place the appropriate unit. Encircle your final answer.7. What volume (in cm3) of silver metal will weigh exactly 2500.0 g? The density of silver is 10.5g/cm3.

A cubic object has a side length of 3.17 cm.  It is found to be a pure substance with a mass of 41.18 grams.  What is the density of the substance in g/cm3? Numbers only, answer to 2 decimal places. Volume of cube = (Side)3

SIGNIFICANT FIGURES We have 5.15 ml of a solution containing 1.973 g/ml protein. How much total protein do we have? We have five results from an experiment: 2.6%, 2.4%, 2.5%, 2.3%, 2.4%. The average of these five measurements is ……….%. While doing multiple calculations on the same data set, rounding should be done for the final answer.

A α 1/B means:A. A is directly proportional to B B. A is inversely proportional to B C. None of the above

Bob and Jill are measuring the height of Mr. Chenet (Mr Chenet is 1.8593 meters tall). Bob gets a measurement of 1.6329, while Jill gets a measurement of 1.8. This means that Bob is more accurate, while Jill is more precise.  True or False?

how can i calculate x? kb= 4.27x10^-10