Maths

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Unit Quiz

Standard Form (Writing and converting)

This quiz will help you to assess your learning of key concepts and knowledge in this unit.

Q1.Work out the missing index number for the calculation 2.650 x 10ⁿ = 2650

3456

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Q2.Write one million in standard form.

1 x 10⁴1 x 10⁵1 x 10⁶1 x 10⁹

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Q3.Write 280,000 in standard form.

2.8 x 10⁴2.8 x 10⁵0.28 x 10⁶280 x 10³

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Q4.Why is 78.12 x 10⁵ not a standard form number?

The index number is incorrect.The first part of the standard form number must be less than ten.The first part of the standard form number has too many digits.

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Q5.Write 5.81 x 10⁶ in ordinary form.

581,0000.0000058158,1065,810,000

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Q6.Which number is smaller? 3 x 10⁴ or 4 x 10³

3 x 10⁴4 x 10³

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Q7.Which power of ten is equivalent to 0.01?

10²10⁻¹10⁻²10⁻³

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Q8.Complete the missing number in this calculation 5 ÷ ? = 0.05

101001,00010,000

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Q9.Write 0.0003 in standard form.

3 x 10⁻⁴0.3 x 10⁻³3 x 10⁻³0.003 x 10⁰

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Q10.Which number is smaller? 3 x 10⁻⁴ or 4 x 10⁻³

3 x 10⁻⁴0.3 x 10⁻³

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Q11.Write 4 x 10⁻³ in ordinary form.

0.0000040.00040.004-0.000004

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Q12.Write 2.05 x 10⁻⁶ in ordinary form.

0.00002050.0002050.002050.00000205

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Q13.Which number is smaller? 5 x 10⁻⁴ or 4 x 10⁻⁵

5 x 10⁻⁴4 x 10⁻⁵

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