Hi i'm kinda new pls with math will give

5) Distance from earth and moon

= 384,000 kilometers

= 3.84 x 10^5 kilometers   <scientific notation form

6)

1.969 x 10^8

= 196,900,000       <standard form

7)

6 x 10^0 / 7 x 10^-3 = (6/7) x 10^(0 + 3) = 0.857 x 10^3 = 857

About 857 times longer as anaconda compared to an ant.

8)

10 cm a year but a year has 52 weeks = 0.19 cm ≈ 0.2 cm per week

So you should you mm to measure and it's more accurate. So it's about 2 mm per week.

not sure but it may be b, as i said i'm not sure.