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Q: Is it possible for a four digit number to round to a three digit number?

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The smallest three digit number is 100.

998.

999 - 1000

I am an even three digit number If you round me to the nearest ten I become 200 The sum of my digets is 18 What number am I?

102 = 100 which is the first possible three digit number that is a perfect square. 312 = 961 which is the last possible three digit number that is a perfect square. So there are 22 three digit positive numbers that are perfect squares.

123, three number 45, two number

1,003

You put the four digit number at the top of the three digit number and you do the same thing as you would do with a two digit number with a 3 digit number.

Its Impossible. I say this because anything that is three digits divided by a one digit number that equals 8 is not possible. For example the higher 1 digit number that you can multiply by eight is nine so I did 8x9 and got 72 which is not a three digit number. The lowest three digit number that 8 goes into is 104 which is 13x8 and 13 is not a one digit number. Therefore the problem is impossible. :)

333 is one of 300 possible answers.

It is: 996

How about: 108

108

find the diagonal method of two digit number and three digit number

The key to rounding any number to the nearest ten does not use the decimals at all. In fact, you only need to check the digit in the ones place. If the number in the ones digit is below 4, then round down. If the number in the ones digit is 5 or larger, round up. Some Examples: 563 ---> 560 - The ones digit is a three, you round down 27 ---> 30 - The ones digit is above five, you round up 145 ---> 150 - The ones digit is a five, you round up 890 ---> 890 - The ones digit is a zero, you do nothing because it is already a ten.

any three digit number!

The first 'three digit' Prime Number is 101.

999 is the largest 3 digit number because each of the three digits is the largest possible value (9). Whole number simply means that there is no decimal part or fraction.

The smallest three digit prime number is 101.

which three digit numbers round to 500 when rounded to the nearest hundred , and also round to the 460 when rounded to the nearest ten

To round a number to a particular digit, look at the digit immediately to the right of your target, in this case, the tens place. If that digit is 4 or lower, zero it and everything to the right of it out. If that digit is 5 or higher, increase the target digit by one and zero everything to the right of it out. If your target digit is a 9, increasing it will turn it to zero and increase the digit to the left of it by one.

900 It is the only three digit number with a nine in the numbers place

For this type of "the largest number which..." questions, you need to advance from left to right, using the largest possible digit in each case. For the first two digits, that would be 9, for the third digit (the right-most digit), the largest digit which will make this possible is an 8.

Since we want to round a value with 3 sig fig, we need to round that value to the nearest tens. To figure that out, you need to count the number of digit places from the leading nonzero digit to the ending digit based on the number of three significant numbers.96829 is the starting digit. Then, count 2 digits next to "land on" the tens digit, which is 8.The adjacent digit is 2. Since 2 is not 5 or greater, we round down the value to obtain 9680.

1We can not start a three digit number with 0, so 1 is the smallest digit.