Oh, dude, rounding numbers? That's some serious math stuff. So, like, when you have 2.09, if you wanna round it to the nearest whole number, you just look at the decimal part. Since 0.09 is less than 0.5, you just keep the whole number part as it is, which is 2. So, 2.09 rounded to the nearest whole number is 2. Easy peasy lemon squeezy!
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Well, honey, if you wanna round 2.09 to the nearest whole number, you just look at the decimal - it's less than 0.5, so you round down to 2. Ain't no need for fancy math here, just common sense. So there you have it, 2 is the magic number for 2.09.
700
So I'm sitting here wondering why on earth anyone would want to round to the nearest hundred and ten when I realized that's probably a two-part question. 209 to the nearest ten is 210. 209 to the nearest hundred is 200. If you really meant to ask to the nearest hundred and ten, transfer to another math class.
200
To round 1.209 to the nearest hundredth, we look at the third decimal place, which is 9. Since 9 is greater than or equal to 5, we round up the hundredth place digit, which is 0, by adding 1. Therefore, rounding 1.209 to the nearest hundredth gives us 1.21.
200