Transcript How many significant digits? 5700

How many significant digits?
5700
A.
B.
C.
D.
1
2
3
4
Multiply
843.5 * 21103
A.
B.
C.
D.
17800380.5
1.780 x 108
1.780 x 107
17800000
Which of the following instruments
would give you the most accurate
measurement?
Round to 3 significant digits.
861900000000
A.
B.
C.
D.
862
86200000000
8.62 x 10-11
8.62 x 1011
What is the correct way to convert
5.00 gallons to mL?
A. 5.00 gallons
4 qt
1 gallon
1000 mL =
1 Liter
B. 5.00 gallons
4 qt
1 gallon
1 Liter
1.06 qt
C. 5.00 gallons
4 qt 1.06 Liters
1 gallon
1 qt
1000 mL =
1 Liter
1000 mL =
1 Liter
How many significant digits?
0.013020
A.
B.
C.
D.
4
5
6
7
Multiply
85 * 1.33
A.
B.
C.
D.
113.05
113
110
110.
How many significant digits?
3703
A.
B.
C.
D.
1
2
3
4
A student measured the length of an object four
times and got the following measurements: 3.52
cm, 3.48 cm, 3.52 cm, and 3.52 cm. The teacher
told the students that the accepted value for the
length was 3.70 cm. How was the student’s
accuracy and precision?
A. Very good accuracy and very good precision
B. Not very good accuracy and very poor precision
C. Not very good accuracy and very good precision
D. Very good accuracy and very poor precision
Round to 3 significant digits.
34592
A.
B.
C.
D.
345
34500
34600
3.45 x 104
In a multiplication or division
problem, the first step is counting
A.
B.
C.
D.
Significant digits
Decimal places
Zeros
Non-zero digits
How many significant digits?
0.0035
A.
B.
C.
D.
2
3
4
5
Which of the following will allow
measurement of a liquid’s volume with
the greatest accuracy and precision?
A. 50 mL graduated cylinder with 1 mL increments
B. 100 mL graduated cylinder with 0.5 mL
increments
C. 100 mL graduated cylinder in 10 mL increments
D. 200 mL graduated cylinder in 5 mL increments
Using a ruler that has divisions
which mark every mm, which of
the following would be an
appropriately recorded length?
A. 45.02 mm
B. 45 mm
C. 45.020 mm
D. 45.0 mm
Round to 3 significant digits.
0.0000485421
A.
B.
C.
D.
485
0.0000485
4.85 x 105
4.85 x 10-10
In an addition or subtraction problem,
what is the first step in determining
how the answer should be reported?
A. count the number of significant digits in each
measurement
B. count the number of decimal places in each
measurement
C. count the number of zeroes in each
measurement
D. count the number of non-zeroes in each
measurement
How many significant digits?
2.0050
A.
B.
C.
D.
2
3
4
5
Which of the following numbers have
three significant digits?
1) 1,050
2) 1,150
3) 0.005
4) 1,050,100
A. 1 and 2
B. 1, 2, and 4
C. 2 and 4
D. 1, 2, 3, and 4
Multiply
6 * 1234
A.
B.
C.
D.
7
7000
740
7404
The answers to which of the following
will have three significant digits?
1.) (6.022) x (2.61)
2. 6.314 + 6.94 + 2.6501
3. (9.42 + 1.62) / 4.1
4. 485 / 9.231
A. 1 and 2
B. 3 and 4
C.1, 2, and 4
D. 1 and 4