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Byju's Answer
Standard VII
Mathematics
Multiplication of Decimals
convert 20 cm...
Question
convert 20 cm s
-1
into ms
-1
and
km s
-1
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Solution
20 cm = 0.2 m
therefore,
20cm s
-1
= 0.2m s
-1
0.2m = 0.2
× 10
-3
km
20cm s
-1
= 0.0002 km s
-1
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