Please check these problems.
1. 92 X 10^3 km ---> dm
My answer: 9.2 X 10^8 dm
2. 5.52 X 10^8 g ---> kg
My answer: 5.52 X 10^11 kg
3. 8.66 X 10^-9 m ---> mm
My answer: 8.66 X 10^-12 mm
4. 1 um ---> m
My answer: 1 X 10^-6 m
Thanks.
1 and 4 are correct.
No so for 2 and 3.
2.There MUST be fewer kg than g and you have more than you started with.
3. You are going from m to mm. mm is a smaller unit; therefore, there MUST be more mm. You have less.