Arrange the steps required to focus a compound light microscope on low power in the correct order. Then write the numbers for the steps in the blanks.
1. Viewing from the side, raise the stage so that the slide almost touches the lens.
2. Move the low power objective lens into position.
3. Use the fine adjustment knob to sharpen the focus.
4. Look through the ocular lens and lower the stage using the course adjustment knob.