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What is distance between ( -20 ) and ( -4 )
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Answer and explanation
Correct answer: 16
The distance between two numbers on a number line is the absolute value of their difference. Thus, \(\lvert -20-(-4)\rvert=\lvert -16\rvert=16\). Therefore, 16 is correct. A result of 15 can arise from an arithmetic error. Exam tip: always express distance as a positive value.
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What is the correct answer to this question?
16
Why is this the correct answer?
The distance between two numbers on a number line is the absolute value of their difference. Thus, \(\lvert -20-(-4)\rvert=\lvert -16\rvert=16\). Therefore, 16 is correct. A result of 15 can arise from an arithmetic error. Exam tip: always express distance as a positive value.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Number line.
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