What is the whole-number part of 12.03?
Answer and explanation
Correct answer: 12
The governing concept is the separation of a decimal into its whole-number part and fractional decimal part. The decimal point divides these parts: digits on the left form the whole-number part, and digits on the right form the decimal part. In 12.03, the digits to the left are 12, so the whole-number part is 12 and option B is correct. The digits 03 on the right describe three hundredths, or 0.03, not the whole-number part. Option A selects only the final digit, while option D gives the decimal fraction. The leading zero in 03 has place-value significance for the hundredths position but does not change the fact that it lies after the decimal point.
Frequently asked questions
What is the correct answer to this question?
12
Why is this the correct answer?
The governing concept is the separation of a decimal into its whole-number part and fractional decimal part. The decimal point divides these parts: digits on the left form the whole-number part, and digits on the right form the decimal part. In 12.03, the digits to the left are 12, so the whole-number part is 12 and option B is correct. The digits 03 on the right describe three hundredths, or 0.03, not the whole-number part. Option A selects only the final digit, while option D gives the decimal fraction. The leading zero in 03 has place-value significance for the hundredths position but does not change the fact that it lies after the decimal point.
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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