Question

significant figures in an expression are

Answer 1

Answer:

The term “significant figures” refers to the number of important single digits (0 to 9 inclusive) in the coefficient of expression in the scientific notation. The number of significant figures in the expression indicates the confidence or precision with which an engineer or scientist indicates a quantity.

Explanation:

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Answer 2

Significant figures are arrived at by rounding off an expression after a calculation is executed. In any calculation, the number of significant figures in the solution must be equal to, or less than, the number of significant figures in the least precise expression or element.