What is the expanded form of (0.508)?
Answer and explanation
Correct answer: \(\frac{5}{10}+\frac{0}{100}+\frac{8}{1000}\)
In 0.508, 5 is in the tenths place, 0 is in the hundredths place, and 8 is in the thousandths place. Therefore, its expanded form is \(\frac{5}{10}+\frac{0}{100}+\frac{8}{1000}\). Option A omits the tenths term, while option C incorrectly places 8 in the hundredths place. Exam tip: the first, second, and third digits after the decimal point represent tenths, hundredths, and thousandths, respectively.
Frequently asked questions
What is the correct answer to this question?
\(\frac{5}{10}+\frac{0}{100}+\frac{8}{1000}\)
Why is this the correct answer?
In 0.508, 5 is in the tenths place, 0 is in the hundredths place, and 8 is in the thousandths place. Therefore, its expanded form is \(\frac{5}{10}+\frac{0}{100}+\frac{8}{1000}\). Option A omits the tenths term, while option C incorrectly places 8 in the hundredths place. Exam tip: the first, second, and third digits after the decimal point represent tenths, hundredths, and thousandths, respectively.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Decimal representation.
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