Physics, asked by SJanane1984, 7 months ago

Anyone please answer this question with full step by step explanation. Please anyone answer this question with full step by step explanation. Don't post irrelevant answers. Please anyone answer this question with full step by step explanation.​

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Answers

Answered by shubhangisax8081
1

Answer:

1 cm = 10^6

20 cm = 20000000nm

1 km = 100000cm

20 km = 2000000 cm

Answered by yashshishodia12
0

1 cm = 10,000,000 nm

20 cm = 20 x 10,000,000

           = 200,000,000nm

1km = 100,000cm

20km = 100,000 x 20

          = 2,000,000cm

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