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7.1
供稿人: Morris
Write 0.00345 in scientific notation: 
0
34.5 x 102
 3.45 x 10-3
34.5 x 10-4
Write 1.267 x 106 in standard form: 
1,267,000
1, 267, 000,000
0.0000001267
0.0001267
What is the square root of 169? 
13
14
15
16
Choose all of the letters that have the same absolute value: 
 A

 B
 C
 D
What is the absolute value of l 5 x 7l ?
35
-35
12
-12 
What is the absolute value of the following?                            
3/5
-3/5
5/3 
0
l -3/5 l
Arrange the number shown in order from least togreatest: 4.7 x105, 3.9 x 108, 5.2 x 105
4.7 x105, 3.9 x 108, 5.2 x 105
4.7 x105, 5.2 x 105, 3.9 x 108
3.9 x 108, 4.7 x 105, 5.2 x 105
5.2 x 105, 3.9 x 108, 4.7 x 105
Which fraction and decimal set are equivalent to 10-3?
-1/1000 and  -0.003
1/1000 and  -0.003
1/1000 and 0.001
-1/1000 and 0.001
Choose all of the numbers that are equivalent to 10-5:
0.00001
-0.00001
1/100,000
1/105
1/ 10-5
-1/100,000
-1/104
10-4
1/104
Choose all of the numbers that are 
equivalent to 0.0001:
1/10,000
104
1/0.0001
Which fraction and decimal combination
are equivalent to 10-2?
1/100 and 0.01
-1/100 and 0.001
1/1000 and 0.001
1/1000 and 0.0001
Which answer choice has the numbers listed in
ascending order:
3.1 x 108, 5.6 x 105, 7.3 x 103
5.6 x 105, 7.3 x 103, 3.1 x 108
5.6 x 105,  3.1 x 108, 7.3 x 103
7.3 x 103, 5.6 x 105,  3.1 x 108
Which list of numbers is arranged in descending order:
0.23, 2.30%, 1/5, 2.3 x 103
0.23, 2.30%, 2.3 x 103, 1/5
2.30%, 2.3 x 103, 1/5, 0.23
2.3 x 103, 0.23, 1/5, 2.30%
Choose all of the following are less than 8.07 x 104:
7.45 x 109
 3.24 x 102
5 x 106
9.21 x 101
Choose all of the following that are greater than 3.21 x 10-4:
4.1 x 10-5
6.7 x 10-1
9 x 10-3
7.53 x 10-2
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