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Question

Anisha walks 1.32 km, cycles 5.69 km and then travels 10.28 km by bus. What is the number of significant figures of his entire journey?


  1. 4

  2. 3

  3. 2

  4. 5


Solution

The correct option is A

4


All the given decimal numbers are like decimals.

     1.32
 +5.69
 +10.28
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯               
     17.29
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯               

Therefore total distance travelled is 17.29 km

The number of significant figures = 4

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