Question

Find the distance between the two numbers on a number line. Write your answer as a decimal.
−2.2, 8.4

Answer 1

The distance between the two numbers, -2.2 and 8.4 on a number line is: 10.6 units.

Distance of two numbers on a number line can be calculated by finding the absolute value of the their difference.

Thus:

if a and b are two numbers on a number line, their distance would be:

|a - b|

Given two numbers on a number line are:

• -2.2
• 8.4

Distance between them = |-2.2 - 8.4| = 10.6 units

Therefore, the distance between the two numbers, -2.2 and 8.4 on a number line is: 10.6 units.

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