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secondary 3 | E Maths
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need help with b only, pls explain how to do also as its my first time encountering this qn. thanks :))
Date Posted: 4 years ago
Views: 279
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Find 3 lightyears in km.
(9.5 x 10^12 x 3)km = 2.85 x 10^13km
Since 1 AU= 1.5 x10^8km,
Divide 2.85 x 10^13 km by 1.5 x 10^8 km.
The answer is 1.9 x 10^5 AU.
(9.5 x 10^12 x 3)km = 2.85 x 10^13km
Since 1 AU= 1.5 x10^8km,
Divide 2.85 x 10^13 km by 1.5 x 10^8 km.
The answer is 1.9 x 10^5 AU.
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