0.40 is the same as 40/100 and 0.50 is the same as 50/100.
40/100 x 50/100 = 2000/10000.
2000/10000 can be reduced. Lets start by reducing both sides by 2000.
2000/2000 10000/2000 = 1/5 which is the same as 0.20.
0.40 x 0.50 = 0.20.
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To write 6.66667 as a fraction, we can first recognize that it is a recurring decimal. To convert it to a fraction, we can set it as x = 6.66667 and then subtract the non-recurring part to get 10x - x = 60 - 6. This simplifies to 9x = 54, which gives x = 6. Now, we can express 6.66667 as a fraction by writing it as 6 2/3 or 20/3 in simplest form.
To express x to the power of negative 2 as a fraction, you can rewrite it as 1 over x squared. This is because any number raised to a negative exponent is equivalent to its reciprocal raised to the positive exponent. Therefore, x to the power of negative 2 is the same as 1 over x squared.
Percent means "in one hundred". so x% as a fraction is x/100 .
To express a number as a fraction, it needs to be related to a second number. The first number becomes the numerator and the second number becomes the denominator. 2 is 1/3 of 6 because when one writes 2/6 it can be simplified to 1/3. 40 cannot be expressed as a true fraction until one has a second number to be the denominator in 40/X The only way to express 40 as a fraction is to write it as 40/1.
It is 909090909/10000000000 = approx 1/11