Upper and lower bounds Topic Icon
Upper and lower bounds

September 17, 2021

Anything that can be measured has a margin of error. The magnitude of error depends on how precisely it is measured and the accuracy of the measuring tool. Upper bound and lower bounds helps to provide measurement a degree of accuracy.

How to round according to significant figures Topic Icon
How to round according to significant figures

September 17, 2021

The most significant figure is the left-most digit in a number. For example, the most significant figure in 0.0057 is 5 because 0 in any digit works as a placeholder. If the value of the first non-significant figure is less than 5, the least significant figure remains unchanged. Whereas, if it is greater than 5, then the least significant figure increases by 1.

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