1. Round off the following numbers to the nearest tens:(i) 89(ii) 415(

1.	1. Round off the following numbers to the nearest tens:(i) 89(ii) 415(iii) 3951
Answer» If thenumberyou areroundingis followed by 5, 6, 7, 8, or 9,roundthenumber up. Example: 38roundedto thenearest tenis 40. If thenumberyou areroundingis followed by 0, 1, 2, 3, or 4,roundthenumberdown. Example: 33roundedto thenearest tenis 30. So,89=90415=4203951=3950 1) 89 =90,2)415=420.3)3951=3950.

1. Round off the following numbers to the nearest tens:(i) 89(ii) 415(iii) 3951

Answer»

If thenumberyou areroundingis followed by 5, 6, 7, 8, or 9,roundthenumber up. Example: 38roundedto thenearest tenis 40. If thenumberyou areroundingis followed by 0, 1, 2, 3, or 4,roundthenumberdown. Example: 33roundedto thenearest tenis 30.

So,89=90415=4203951=3950

1) 89 =90,2)415=420.3)3951=3950.

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1. Round off the following numbers to the nearest tens:(i) 89(ii) 415(iii) 3951

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