Question

ad d 7.4 12.13 0.0082 and Express the result with an appropriate number of significant figures​

Answer 1

Answer

• in attachment

Plz mark at brainlist

Answer 2

$\huge{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}$

Answer:

N=1.93538×10¹

Explanation:

In this case, we have to add 7.21, 12.141 and 0.0028 and write the appropriate number of significant figures.

Significant figures are those figures that are written in the form of accuracy.

Taking 7.21 + 12.141 + 0.0028 = 19.3538

In the form of significant figures, 19.3538 can be written as :

In the form of significant figures, 19.3538 can be written as :N=1.93538×10¹

Number of significant figures are 6

Hence, this is the required solution.