Answer:
4.9 x 10^-4 is the scientific notation
Move the decimal 4 places from left to right
105
or
140
explanaion: its one of the two i believe
6 cm
the diameter is two times the radius so the radius would be 12/2 which is
6 cm
2. 5 hours
3. $200
4. 9.5 hours. If it has to be whole numbers, 10 hours
Hope that helps!
<em>-scsb17hm</em>
