Convert small numbers to standard form
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Lesson details
Key learning points
- In this lesson, we will convert small ordinary numbers to a standard form number with negative powers of ten
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3 Questions
Q1.
Why is 78.12 x 10⁵ not a standard form number?
The first part of the standard form number has too many digits.
The index number is incorrect.
Q2.
Write 5.81 x 10⁶ in ordinary form.
0.00000581
58,106
581,000
Q3.
Which number is smaller? 3 x 10⁴ or 4 x 10³
3 x 10⁴
4 Questions
Q1.
Which power of ten is equivalent to 0.01?
10⁻¹
10⁻³
10²
Q2.
Complete the missing number in this calculation 5 ÷ ? = 0.05
1,000
10
10,000
Q3.
Write 0.0003 in standard form.
0.003 x 10⁰
0.3 x 10⁻³
3 x 10⁻³
Q4.
Which number is smaller? 3 x 10⁻⁴ or 4 x 10⁻³
0.3 x 10⁻³