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Is 0.25 a example of integer?
NO, it is a decimal that can be represented as the fraction 1/4 but can never be written as n integer.
If a dot is placed above each of the digits in the decimal 0.0123456789 to indicate a recurring decimal can you express this as a fraction detailing all your working?
Let n = 0.0123456789 recurring 1010n = 123456789.0123456789 recurring 1010n - n = 123456789 9999999999n = 123456789 n = 123456789/9999999999 = 0.0123456789 recurring Therefore the recurring decimal 0.0123456789 expressed as a fraction is 123456789/9999999999. Check it out on your calculator.
How can you write any nonzero whole number as a fraction?
No, you cannot write any irrational number as a fraction.
Is there a way to tell if a decimal is terminating or repeating?
Think of the division problem as a fraction. Simplify the fraction to its simplest form. For example, simplify 7/14 to 1/2. If the only factors of the denominator are 1, 2, and 5, then it will terminate. If the denominator has any other factors, it will repeat. For example, n/16 will always terminate for any integer n. But n/15 will never terminate for any non-zero integer n if the fraction is in its simplest form. Another method is to do the division. If you are dividing a/b (where a and b are both integers), then if it is going to terminate, it will terminate within b-1 decimal places. In other words, the repeating portion will never be longer than b-1 digits.
What is 220 as a decimal?
If you're looking for 220 percent of some number n n * 2.2 = 220 percent of n n * x.yz = xyz percent of n In other words, just shift the decimal 2 places to the left for any problem like this.
