Identify the numbers as exact or give the number of significant figures for the expression above drag the terms on the left to the appropriate blanks on the right to complete the sentence

Identify the numbers as exact or give the number of significant figures for the expression above drag the terms on the left to the appropriate blanks on the rig class=

Respuesta :

Significant figures of a number in positional notation are digits in the number that are reliable and necessary to indicate the quantity of something.

The answer is:

1 lb is exact, and $ 1.33 is measured (3SFs)