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Scientific notation

Quiz by Tamicha Mangram

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Q 1/5
Score 0
What is the scientific notation of the number 45000?
29
$4.5 \times 10^4$
$4.5 \times 10^3$
$0.45 \times 10^5$
$45 \times 10^3$

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5 questions

Show answers

Q1
What is the scientific notation of the number 45000?
$4.5 \times 10^4$
$4.5 \times 10^3$
$0.45 \times 10^5$
$45 \times 10^3$
30s
Q2
What is the scientific notation of the number 0.0072?
$72 \times 10^{-2}$
$7.2 \times 10^3$
$7.2 \times 10^{-3}$
$0.72 \times 10^{-2}$
30s
Q3
30s
Q4
How is the number 5,600,000 written in scientific notation?
$56 \times 10^7$
$5.6 \times 10^6$
$5.6 \times 10^5$
$0.56 \times 10^7$
30s
Q5
What is the scientific notation of the number 0.00081?
$0.81 \times 10^{-3}$
$8.1 \times 10^{-4}$
$81 \times 10^{-3}$
$8.1 \times 10^{-5}$
30s

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