Question

Perform the followingmathematical operation, andreport the answer to theappropriate number ofsignificant figures.5.4 4.21 = [?]

Answer 1

Given:

The sum of,

`5.4+4.21=?`

To find:

The answer to the appropriate number of significant figures

Step-by-step explanation:

The sum of the numbers is,

`\begin{gathered} 5.4+4.21 \\ =9.61 \end{gathered}`

The answer should be in the smallest number of significant figures present in the question.

Here, the smallest number of significant figures is,

`2\text{ \lparen for 5.4\rparen}`

the other number has 3 significant figures

Hence, the answer is,

`9.6`