Scientific Notation
What is the area of a room that is 3.0 x 102 cm long and 5.0 x 103 cm wide?
1.5 x 106
How many significant figures are in 8.307?
4 Significant Figures
SI is considered a consistent system because it
It is used worldwide
Which type of graph best shows data that are parts of a whole?
Pie Chart or Circle Graph
Accuracy is judged by
How close a value is to the true value
(5.0 x 106) x (5.0 x 103)
2.5 x 1010
How many significant figures are in 70,201?
Convert 12,500 millimoles to moles.
12.5 mol
Which type of graph best shows a comparison of several items or events?
Bar Graph
The SI unit for measuring temperature is the
Kelvin
Which of the following shows 0.000043 g?
4.3 x 10-5 g
You are asked to find the volume of a cube that is 2.54 cm high, 2.65 cm wide, and 3.456 cm long. How many significant figures should you show in your answer?
3 Significant Figures
Which unit is used to measure the height of a bookcase?
Centimeters or Meters
Which graph best shows a change in data over time?
Line Graph
What is 87,900,000,000 expressed in scientific notation?
8.79 x 1010
The decimal equivalent of 10–3 is
0.001
The number 50.75 has ____________________ significant figures.
4 Significant Figures
Maria is 135 centimeters tall. Her height in meters is
1.35 Meters
What variable is placed on the X-axis of a line graph?
Manipulated Variable
On the Celsius scale, at what temperature does water boil?
100oC
How is 0.000069 written in scientific notation?
6.9 x 10-5
How many significant figures will the answer to the calculation 65.2 x 3.4 have?
2 Significant Figures
A loaf of bread weighs 1,662 g. The weight in kilograms is
1.662 KG
What variable is placed on the Y-Axis of a line graph?
Responding Variable
When a number in a measurement is converted from kilometers to meters, does the number get larger or smaller?
Larger