Help me on 17 & 18 please! Must be in scientific notation form meaning (Number 1-9) times 10 to the power of something. Please label with work if you can, NO USING CALCULATOR TO SOLVE. I want step-by-step.

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?