Standard Form - mixed exercise
Name :
Class :
Date :
Mark :
1) Rewrite as a normal number
/8
%
[2]
a) 5 × 102
b) 1.27 × 10−1
2) Rewrite in standard form
[2]
a) 8,300,000
b) 0.000002
3) Work out and express your answer in standard form
[2]
a) (3.4 × 105 ) + (3.2 × 105 )
b) (8 × 10−4 ) × (4 × 105 )
4) Write in standard form
30 × 104
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[1]
5) Use the information in the table to answer the questions below
Planet
Image
[1]
Mass (kg)
Distance to Sun (km)
Uranus
𝟖. 𝟔𝟖 × 𝟏𝟎𝟐𝟓
𝟐. 𝟖𝟕 × 𝟏𝟎𝟗
Mercury
𝟑. 𝟑 × 𝟏𝟎𝟐𝟑
𝟓. 𝟕𝟗 × 𝟏𝟎𝟕
Earth
𝟓. 𝟗𝟕 × 𝟏𝟎𝟐𝟒
𝟏. 𝟓 × 𝟏𝟎𝟖
Saturn
𝟓. 𝟔𝟗 × 𝟏𝟎𝟐𝟔
𝟏. 𝟒𝟑 × 𝟏𝟎𝟗
a) Which planet is lightest?
..........
b) Which planet is furthest from the sun?
..........
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Solutions for the assessment Standard Form - mixed exercise
1) a) 500
b) 0.127
2) a) 8.3 × 106
b) 2 × 10−6
3) a) 6.6 × 105
b) 3.2 × 102
4) 3 × 105
5) a) Mercury, b) Uranus
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