A set of 21 readings equally spaced over a distance of 2 meters would have an interval of

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Multiple Choice

A set of 21 readings equally spaced over a distance of 2 meters would have an interval of

Explanation:
Spacing between consecutive readings is found by dividing the total distance by the number of gaps between readings. With 21 readings, there are 20 gaps. So the interval is 2 meters ÷ 20 = 0.1 meters, which is 10 centimeters. The other options would require a different number of gaps: 5 cm would need 40 gaps, 20 cm would need 10 gaps, and 50 cm would need 4 gaps.

Spacing between consecutive readings is found by dividing the total distance by the number of gaps between readings. With 21 readings, there are 20 gaps. So the interval is 2 meters ÷ 20 = 0.1 meters, which is 10 centimeters. The other options would require a different number of gaps: 5 cm would need 40 gaps, 20 cm would need 10 gaps, and 50 cm would need 4 gaps.

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