WorksheetsSTEM 6 | Scientific Notation, Sig Figs, Accuracy, and Precision
Total questions: 23
Worksheet time: 20mins
Name
Class
Date
1.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
2.
How would you write 4.3756 x 104 in decimal form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
3.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
4.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
5.
How do you write 1001 in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
6.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
7.
Convert to standard notation:
3.05 x 105
3.05 x 105
a)
305,000
b)
305
c)
3,050,000
d)
30,500
8.
What is scientific notation?
a)
A long way to write really short numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
9.
UNDERSTANDING: If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
10.
UNDERSTANDING: If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
11.
Which one of these is in scientific notation?
a)
8.987000
b)
8.98 x 106
c)
80.987 x 10
d)
8.986
12.
How many sig. fig. are in the number below:
100.5
100.5
a)
1
b)
2
c)
3
d)
4
13.
How many sig. fig. are in the number below:
0.678
0.678
a)
1
b)
2
c)
3
d)
4
14.
How many sig. fig. are in the number below:
32005
32005
a)
2
b)
3
c)
4
d)
5
15.
How many sig. fig. are in the number below:
705000
705000
a)
2
b)
3
c)
5
d)
6
16.
Determine the number of sig figs in the following measurement:
72,100 g
72,100 g
a)
5
b)
3
c)
6
d)
4
17.
Determine the number of sig figs in the following measurement:
25.03 L
25.03 L
a)
4
b)
3
c)
2
d)
1
18.
Round the following number off to the number of sig figs shown in parentheses:
3.774499 (4)
3.774499 (4)
a)
3.774
b)
3.775
c)
3774
d)
3775
19.
How close a measurement is to the true value is called..
a)
Accuracy
b)
Precision
c)
Significant
d)
Estimate
20.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
21.
Accuracy is defined as
a)
close repeated measurements
b)
awesome measurements
c)
really good guessing
d)
measurement near the true value
22.
Which is the more precise measurement?
a)
4 mL
b)
4.3 mL
c)
4.30 mL
d)
4.300 mL
23.
The last digit in an accepted measurement is
a)
estimated
b)
exact
c)
actual value
d)
significant digit
100 %
