Writing small numbers in standard form

Quiz by Oak National Academy: KS3 Maths (2)

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Q 1/6
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Standard form follows this convention: $A \times 10^B$ and $1 ≤ A < 10$ and $B$ is an ______.
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Q1
Standard form follows this convention: $A \times 10^B$ and $1 ≤ A < 10$ and $B$ is an ______.
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30s
Q2
Which of the following are written in standard form?
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30s
Q3
Use a place value grid to write $0.00506$ in standard form.
${5.06}\times10^{-3}$
${5}\times10^{-3}$
${5.06}\times10^{-2}$
${5}\div10^{-3}$
${5.06}\div10^{-3}$
30s
Q4
Write $0.00047$ in standard form.
${4.7}\times10^{-4}$
${4.7}\div10^{-4}$
${4.7}\times10^{4}$
${4.7}\times10^{-3}$
${4.7}\times10^{3}$
30s
Q5
${4.08}\times10^{-4}$ as an ordinary number is ______.
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30s
Q6
Match each ordinary number to the equivalent number written in standard form.
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