A whole number when rounded to the nearest hundred is 700.What is the smallest possible value of this number?Use the number line below to help you.
Question
A whole number when rounded to the nearest hundred is 700.What is the smallest possible value of this number?Use the number line below to help you.
Solution 1
When rounding to the nearest hundred, a number will round up if it is 50 or more in the tens place, and round down if it is less than 50.
Since we are looking for the smallest possible value of the number that rounds to 700, we need to consider the number that is just less than 750 (since 750 would round up to 800).
Therefore, the smallest possible value of the number that rounds to 700 is 700 itself.
Solution 2
When rounding to the nearest hundred, a number will round up if it is 50 or more in the tens place, and round down if it is less than 50.
Since we are looking for the smallest possible value of the number that rounds to 700, we need to consider the number that is just less than 750 (since 750 would round up to 800).
So, the smallest possible value of the number that rounds to 700 when rounded to the nearest hundred is 700 itself.
Solution 3
When rounding to the nearest hundred, a number will round down if it is less than 50 away from the lower hundred and up if it is 50 or more away from the lower hundred.
In this case, the number is rounded to 700. This means the number could be anywhere from 650 to 749.
The smallest possible value of this number, therefore, is 650.
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