Introduction to Scientific Notation Answers

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1
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Which number is equal to ?

Question illustration
A
–1,000
B
–30
C
0.001
D
0.003
2
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Which number is greatest?

A
2.89 times 10 Superscript negative 8
Option A
B
1.997 times 10 Superscript 2
Option B
C
8.9 times 10 Superscript negative 6
Option C
D
5 times 10 Superscript negative 6
Option D
3

Which number is written in scientific notation?

A
6 times 10 Superscript 11
Option A
B
12 times 10 Superscript negative 8
Option B
C
0.2 times 10 Superscript 5
Option C
D
8 times 7 Superscript 2
Option D
4

Which statement is correct?

A
StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction less-than-or-equal-to (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline)
Option A
B
StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction less-than (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline)
Option B
C
StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction greater-than (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline)
Option C
D
StartFraction 3.56 times 10 Superscript 2 Baseline Over 1.09 times 10 Superscript 4 Baseline EndFraction = (4.08 times 10 Superscript 2 Baseline) (1.95 times 10 Superscript negative 6 baseline)
Option D
5

Which is the best estimate for written in scientific notation?

Question illustration
A
3 times 10 Superscript 2
Option A
B
6 times 10 Superscript 2
Option B
C
3 times 10 Superscript 4
Option C
D
6 times 10 Superscript 4
Option D
6

Kailey wrote 8,912,000 in scientific notation as . Which statement best describes Kailey’s work?

Question illustration
A
Kailey is correct: equals 8,912,000.
Option A
B
Kailey is not correct: the exponent of ten should be negative.
C
Kailey is correct: it is written as a decimal number multiplied by a power of ten.
D
Kailey is not correct: is not written in scientific notation.
Option D
8

Which conversions from scientific notation to standard notation are true? Select the four correct answers.

A
1.71 times 10 Superscript 3 Baseline = 0.00171
Option A
B
8.05 times 10 Superscript 5 Baseline = 805,000
Option B
C
2.4 times 10 Superscript 4 Baseline = negative 24,000
Option C
D
8.25 times 10 Superscript negative 3 Baseline = negative 8,250
Option D
E
7.09 times 10 Superscript negative 6 Baseline = 0.00000709
Option E
F
3.99 times 10 Superscript 5 Baseline = 300,099
Option F
G
8 times 10 Superscript 7 Baseline = 80,000,000
Option G
H
1.03 times 10 Superscript negative 4 Baseline = 0.000103
Option H
9

Which is the best estimate for written in scientific notation?

Question illustration
A
6 times 10 Superscript negative 4
Option A
B
60 times 10 Superscript negative 5
Option B
C
6 times 10 Superscript 7
Option C
D
60 times 10 Superscript 6
Option D
10

Which answer shows written in standard form?

Question illustration
A
0.000213786
B
2,137.86
C
21,378.6
D
2,137,860,000

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