Question

iv) Describe what is meant by significant
figures and order of magnitude.​

Answer 1

Answer:

The number expressing the magnitude of a measurement should be recorded with only as many as digit as properly indicate the accuracy of the measurement. An order of magnitude is an exponential change of plus-or-minus 1 in the value of a quantity or unit.

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Answer 2

Answer:

Hello!!

Here is your answer

Significant figure.

The term significant figures refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.

Order of magnitude.

Order of magnitude is a class in a system of classification determined by size, typically in powers of ten.

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