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Which term is used to refer to a number that includes a decimal point?
Decimal
How do yo write the decimal 9.1 in words?
To write the decimal 9.1 in words, you would say "nine point one." In this case, "nine" represents the whole number part of the decimal, and "one" represents the decimal part. The term "point" is used to indicate the decimal point in the number.
A number that can be used to indicate part of a whole?
BRO ITS A DECIMAL POINT
What is the decimal 1.04 in word form?
The decimal 1.04 can be written in word form as "one point zero four." This means there is one whole unit, zero tenths, and four hundredths. The word "point" is used to denote the decimal point in the number.
Why do you multiplied by a power of 10 when writing a repeating decimal as a rational number?
Multiplying by ten to the power k moves the decimal point k places to the right. If the repeating sequence comprises n digits and you multiply by 10n then the decimal point is moved n places to the right and the positions of the repeating sequence relative to the decimal point is not changed. This allows you to subtract the one repeating decimal expression from the other and get a terminating decimal which can then be used as the numerator of the ratio.
