Math, asked by adam8373, 11 months ago

How many digigts are required to write numbers from 1 to 400

Answers

Answered by Twesh14

0

Answer:

1389

Step-by-step explanation:

From 1→9=9×1=9

From 10→99=90×2=180

From 100→400=400×3=1200

∴Ans: 9+180+1200=1389

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