Download 1 What is the product of these numbers, to the appropriate number of

1
What is the product of these numbers, to the appropriate number of significant digits? 56.2 x 9.2057 =
2
How many significant digits are in the value 530,405,000?
3
How many significant digits are in the value 0.0050340?
4
A method of problem­solving that focuses on the units used to describe matter, often using conversion factors is _________.
5
How is the slope of a linear graph calculated?
6
The SI base unit for time is the _______.
7
What term describes the amount of mass contained per unit volume?
8
An object has a mass of 26.94 grams and a volume of 2.568 cubic centimeters. What material is it likely to be made of?
9
Which value has only 4 significant digits?
a. 0.0450
b. 6.930
c. 8450
d. 0.392
10 What is the correct value for the prefix deci­?
11 Which is the sum of these values, to the appropriate number of significant digits?
17.358 + 3.502 + 20.14 = 12 Find the slope of the line.
13 The accepted value is 29.35. Is the student's experimental data accurate, precise, both, or neither?
14 What term is described as the amount of matter in an object?
1
15 Which is NOT an appropriate unit for measuring density?
a. kg/L
b. g/ml
c. g/cm
d. g/L
16 You travel 150 miles in 2 hrs 15 min. What is your average speed in meters per second?
1 mi = 1.6 km
17 A stick of gum is 5 cm long. How many pieces of gum would fit end­to­end along a hallway that is 500 feet long?
1 in = 2.54 cm
18 If one gram is equal to 15.4 grains. How many 5.00 grain aspirin tablets may be made from 1.00 kilogram of aspirin? 19 A patient in the hospital is given an IV fluid that must deliver 500 mL of a sugar solution over 4 hours. The IV fluid tubing delivers 10 drops/mL. What is the drop rate (in units of drops/min) that must be administered to the patient? (Hint: 10 drops = 1 mL; 500 mL = 4 hr)
­5
20 An air sample contains 5.2 x 10 g/L of helium. Express the concentration of helium in lb/L. (Hint: 1 lb = 454 g)
2