This task is about calculating numbers in standard form.
Fill in the boxes for each of these calculations below in standard form.
E.g., The number 3.1 × 102 is written in the boxes as:  × 10 kilometres. |
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a) |
Light travels approximately 3 × 105 kilometres in one second. How far does light travel in ... |
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i) 3 seconds?  × 10  kilometres |
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Optional working space |
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ii) 7 seconds? × 10 kilometres |
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iii) 1000 seconds? × 10 kilometres |
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iv) 3.2 × 107 seconds? × 10 kilometres (approx. 1 year) |
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| b) |
A space ship travels 4.5 × 103 kilometres in one hour. How far will it travel in ... |
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i) 100 hours? × 10 kilometres |
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Optional working space |
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ii) 2.4 × 101 hours? × 10 kilometres (i.e., 1 day) |
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iii) 1.67 × 10-2 hours? × 10 kilometres (approx. 1 minute) |