This task is about significant figures.
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The deepest parts of the ocean floor are in the Pacific Ocean. These are given particular names, for example Challenger Depth. Answer these questions about each of these depths. |
| a) |
The deepest part of the ocean floor is Challenger Depth which is 11,022 metres.
How many significant figures are there in this number? __________
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| b) |
Round each of these depths to 2 significant figures (2 s.f.). |
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i) Johnson Depth is 10,497 metres = ____________________ metres (2 s.f.)
ii) Planet Earth Depth is 9,140 metres = ____________________ metres (2 s.f.)
iii) Vityaz Depth is 10,542 metres = ____________________ metres (2 s.f.)
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| c) | Round each of these depths to 3 significant figures (3 s.f.). |
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i) Nero Depth is 9,637 metres = ____________________ metres (3 s.f.)
ii) Horizon Depth is 10 882 metres = ____________________ metres (3 s.f.)
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