Question

please answer my question ​

Answer 1

Answer:

Option D is correct

hope this answer of mine helps you

Answer 2

Answer:

$density \: = \frac{mass}{volume} \\ \\ = \frac{m}{ {a}^{3} } \\ \\ \frac{Δd}{d} \times 100 = \frac{Δm}{m} \times 100 + 3 (\frac{Δa}{a} \times 100) \\ \\ = 2\% + 3 \times 3\% \\ \\ = 2\% + 9\% \\ \\ = 11\%$

#ᥴꪖꪀᦔⅈᦔᦔꪮꪶꪶ♥️