9
arabic numbers or decimal numbers
22, 28, 82 and 88.
874321 is the largest number made from all these digits.
You would need infinitely many digits to write all numbers. However, to write all whole number (integers) you would need 4243.
6.0014
Most people prefer to write numbers using digits since this is far shorter than writing out the relevant words.
Any number that you can completely write down using digits is rational.Let's try to write 2.51 completely with digits:2.51That's it! We're pretty sure that 2.51 is rational. The official math definition of a rational number is: A number that can be writtenas a fraction made of whole numbers. Let's try and write 2.51 as a fractionmade of whole numbers:251/100We did it again! 2.51 is definitely rational.
arabic numbers or decimal numbers
22, 28, 82 and 88.
874321 is the largest number made from all these digits.
There are 3*2*1 = 6 of them.
You would need infinitely many digits to write all numbers. However, to write all whole number (integers) you would need 4243.
6.0014
-- The decimal system (base-10) uses 10 digits to write all numbers. -- The binary system (base-2) uses 2 digits to write all numbers.
24.
choosing a variable to represent one of the unspecified numbers in a problem and using it to write expressions for the other unspecified numbers in the problem.
To write 6 million dollars in numbers, you would write it as $6,000,000. This is the standard way to represent the numerical value of 6 million dollars using digits and commas to denote the magnitude of the number.