Question

0.2s(0.02s + 0.002r)​

Answer 1

0.2 s (0.02s + 0.0032r)

since here in this question here are one like terms only which is 0.2 s and 0.02s so,

0.2 x 0.02 s

0.004s

0.004s + 0.0032r