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How to round numbers to the nearest tens and hundreds?
Rounding to the nearest 10- 4 or below round down e.g. 54 to 50. If it is 5 or above round up e.g. 66 to 70 Rounding to the nearest 100- if 49 or below round down e.g. 133 to 100. If 50 or above round up e.g. 276 to 300
Does 50 round up to 100?
Yes.
How do you round 672 to the nearest 100?
You would look to see if the 10s is greater than or equal to 50. If it is you would round the 100 up. If it isn't then you would round down. The rounded number is 700
When this number is rounded to the nearest hundred it rounds down to900?
When rounding to the nearest hundred, half will round down and half will round up, ie 100 ÷ 2 = 50 will round each way. → any number greater than or equal to 900 and less than 900 + 50 = 950 will round down to 900. ie any number n such than 900 ≤ n < 950 will round down to 900 to the nearest 100. Which means your [whole] number could be any of 900, 901, 902, ..., 949.
How do you round to nearest 100?
if the last two digits are lesser than 50 (e.g. 8634), you round down by making the last two digits 0 (in this case, 8600).If the last two digits are greater than 50 (e.g. 8662), you round up by adding 1 to the hundreds and making the last two digits 0 (in this case, 8700).If the last two digits are exactly 50, you can round up or down, your choice.
