The decimal (9.090) is equal to which of the following?
Answer and explanation
Correct answer: 9.09
Zeros at the end of the decimal part do not change a number’s value. Therefore, removing the final zero from 9.090 gives 9.09. In 9.009, the zero is within the decimal part, so its value is different. Exam tip: Only trailing zeros in a decimal can be removed without changing its value.
Frequently asked questions
What is the correct answer to this question?
9.09
Why is this the correct answer?
Zeros at the end of the decimal part do not change a number’s value. Therefore, removing the final zero from 9.090 gives 9.09. In 9.009, the zero is within the decimal part, so its value is different. Exam tip: Only trailing zeros in a decimal can be removed without changing its value.
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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