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Converting Scientific Notation
Test Description: Converting to and from scientific notation
Instructions: Answer all questions to get your test result.
1) 1.2 x 10^-1
A
12
B
0.0012
C
0.012
D
0.12
2) 1.21 x 10^-5
A
0.000121
B
0.00000121
C
0.0000121
D
121,000
3) 1.45 x 10^-3
A
0.0145
B
1,450
C
0.000145
D
0.00145
4) The average flea weighs 6.61e-5 pounds. What is this in standard form?
A
0.0061 pounds
B
0.000061 pounds
C
0.00000061 pounds
D
0.61 pounds
5) The statue of Liberty weight an estimated 450,000 lbs. What is this in scientific notation?
A
4.5e6
B
45e4
C
4.5e4
D
4.5e5
6) Which number below is closest to zero?
A
4.91e-6
B
5.8e-4
C
0.0002
D
0.13
7) Which number below is the greatest?
A
9.2e7
B
3.8e-9
C
8.1e7
D
1,000,000
8) Mars is about 140 million miles away from earth. What is this number in scientific notation?
A
1.4e8
B
1.4e7
C
140e6
D
14e7
9) a googol is a huge number... it is 1 followed by 100 zeros. What is another way to write this?
A
1e100
B
1000000000000000000000000000000
C
100e100
D
1e-100
10) It is estimated to take about 492,240 minutes to walk around the entire earth. Which number below is an estimation of 498,240
A
4.9x10^-5
B
4.9x10^7
C
4.9x10^5
D
4.9x10^6
*select an answer for all questions
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