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How many ones in 3826?
3826 ÷ 1 = 3826 However, I don't think that is the question you meant. I think you are asking for which digit is in the ones column. The ones column is the column to the left of the decimal point. If there is no decimal point visible, it is hiding after the last digit of the number which is the ones digit. Therefore the ones digit of 3826 is the 6.
Is 7 a unit?
Yes, on its own, the 7 has the digital value of the unit column.(The British unit column is called the ones column in America, I believe.)
Is 2.5 greater than 3?
No, 2.5 is less than 3. To compare numbers starting with the highest place value column compare the digits, moving right a place value column until either all digits have been considered or one digit is higher than the other. If a place value column is empty, its digit value is 0: For 2.5 and 3 the highest place value column is the ones column In 2.5 the ones column is 2 and in 3 the ones column is 3; 2 is less than 3, so 2.5 is less than 3.
What are the rules for adding whole numbers?
You start at the right hand most number. This is the ones position. Add the given numbers and carry if you need to as is mentioned in the next sentence. Add the numbers to the left of the ones. These are the tens. Carry from the first step any numbers you need. You need to carry from the first step if when you added those numbers in the ones place, the total was more than nine. If it was 10, you would put a zero in the ones column and carry the 1 to the the tens column. If it was say 18, you would place an 8 in the ones column and carry a 1 over. One last example, say your sum was 29, then place a 9 in the ones column and carry a 2. Now when you add the tens column, the total may again be more than 9, so do the exact same thing you did in the ones column. Write the right most digit of the number and carry the left digit. For example, in the tens column if your total is 38, write the 8 and carry the 3.
What is 12x8?
12 X 812 X 8 = 96 To get the answer, multiply the 2 by 8, which equals 16. Put the 6 in the ones column and carry the 1 to the tens column. Then, multiply the one by the 8 and add the 1 that you carried from the ones column to get 9. Put that in the tens column. Your answer is 96.
