1. Write 86,400 s in exponential notation.

My answer: 8.6400 x 10^4 s

2. Write 0.15 ns using exponential notation with units of s.

My answer: 0.15 x 10^-9

3. 141000 g =? kg

My answer: 141 kg

4. Write 1.4 Mg using exponential notation with units of g.

My answer: 1.4 x 10^6 g

5. Write 30 pm using exponential notation with units of m.

My answer: 30 x 10^-12 m

6. Write 12,800 km using units of Gm.

My answer: 12,800 x 10^-6 Gm

7. Determine how many ps thre are in 1 s.

My answer: 1 x 10^12 ps