In the final answer of the expression frac{(2 | vedclass

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(B) Step $1$: Perform the subtraction in the numerator: $(29.2 - 20.2) = 9.0$. Since the subtraction follows the rule of decimal places,the result $9.

Vedclass · Accepted Answer

$2$

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(B) Step $1$: Perform the subtraction in the numerator: $(29.2 - 20.2) = 9.0$. Since the subtraction follows the rule of decimal places,the result $9.0$ has $1$ decimal place and $2$ significant figures.Step $2$: The expression becomes $\frac{9.0 	imes 1.79 	imes 10^5}{1.37}$.Step $3$: According to the rules of significant figures in multiplication and division,the final result should have the same number of significant figures as the term with the least number of significant figures.Step $4$: The term $9.0$ has $2$ significant figures,$1.79$ has $3$ significant figures,and $1.37$ has $3$ significant figures.Step $5$: The least number of significant figures is $2$. Therefore,the final answer will have $2$ significant figures.

In the final answer of the expression $\frac{(29.2-20.2)(1.79 \times 10^5)}{1.37}$,the number of significant figures is:

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