The results of which of the following operations has the least number of significant figures?

(a)

(b)

(c)

(d) All have same number of significant figures

Question

The results of which of the following operations has the least number of significant figures?

(a)

(b)

(c)

(d) All have same number of significant figures

Canvas Classes · Accepted Answer

Strategy:
 Compare different operations using significant figure rules. Multiplication/division results are limited by the least number of sig figs, while addition/subtraction results are limited by the least number of decimal places.

Step 1: Evaluate each expression
- (a): Multiplication/Division limited by  (3 sig figs). Result will have 3 sig figs.
- (b): Multiplication limited by  (4 sig figs). Result will have 4 sig figs.
- (c): Addition limited by  (4 decimal places). Result will have 4 s

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