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.

Rounding decimal places Topic Icon
Rounding decimal places

September 17, 2021

The procedure of rounding to a decimal place depends upon the decimal places that need to be rounded off in the first place. Typically, this type of rounding is called Swedish rounding. Rounding helps to make estimations in things like temperature, money and mass.

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.

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