Answer :
Final answer:
To estimate 245 in general, you round to the nearest ten or hundred, depending on the context, which makes it 240 or 200, respectively. If specifically rounding to the nearest hundred, you consider the tens digit - if it's 5 or more, you round up if less, you round down. Thus, 245 gets rounded to 200.
Explanation:
The process of estimating results in mathematics often involves a method of rounding, which makes numerical calculations easier. In this specific case, we're asked to estimate the number 245 in general and to the nearest hundred.
General Estimation could be simple rounding to the nearest ten or hundred, giving us a direct answer in 2 lines: 245 rounds to 240 using nearest ten, and 200 using nearest hundred.
However, when we focus on the Estimate in nearest hundred rules, things change slightly. The rules are clear: if the tens digit of the number is 5 or more, we round up to the next hundred. If it is less than 5, we round down. So, for 245, we'd look at the '4' in the tens place. Since it is less than 5, we round down. So, the 245 gets rounded down to 200.
Learn more about Estimation and Rounding here:
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