Scientific Notation
Significant Figures
Calculating with SigFigs
Measurements
Misc.
100
If a number written in standard notation is less than what, what will be the sign on the exponent?
negative
100
How many significant figures are in 0.110?
3
100
When you add or subtract numbers in a math problem, how should you round to the correct number of sigfigs?
To the least number of decimal places used.
100
T/F: When reporting a number you must only report the known digits.
False. You should report the known digits plus one more that is estimated.
100
What two components are required when reporting a measurement?
a number and a unit
200
True or false: The coefficient of a number written in scientific notation must be between 0 and 10.
False. It should be between 1 and 9.9.
200
How many significant figures are in 789,990.00 cm?
8
200
When you multiply or divide with significant figures, how should you round to the correct number of sigfigs?
To the least number of sigfigs in the problem.
200
A word used to describe how close measurements are to the true value.
Accuracy
200
Round the following to 2 sigfigs:
8792
8800
300
Write 0.00000250 in scientific notation.
2.50 x 10-6
300
How many significant figures are there in 9.80x103 m?
3
300
Solve the following and round to the correct number of sigfigs:
789.11 + 54.2 + 68 =
911
300
Which of the targets shows precision, but not accuracy?
B
300
Round the following to 3 sig figs:
0.001775
0.00178
400
Write 1,980,000 in scientific notation
1.98x106
400
How many significant figures are in 10,000 kg ?
1
400
Solve the following and round to the correct number of sigfigs:
84.9/0.55
150
400
A word used to describe how close measurements are to eachother?
precision
400
Which of the students listed reported the measurement to the correct number of sigfigs?
Susan and Maya
500
What would 3.25x10-1 be in standard notation?
0.325
500
How many significant figures are in 58,000,000.00 atoms?
unlimited, infinite
500
Solve the following and round to the correct number of sigfigs: (124+1.6)/15
8.4
500
Which of the targets shows accuracy and precision?
D
500
Round the following to 3 sig figs:
50,000
5.00 x 104